Your Shopify payout is £250 short and you know why: a chargeback. What you do not know is where it goes in your books, what happens to the £40 of VAT inside that sale, and whether the £10 fee is a cost or something your accountant will ask you about in March. Chargeback accounting is the answer to all three, and most small UK stores get chargeback accounting slightly wrong without noticing.
Chargeback accounting means recording a dispute so your sales, your VAT return and your cash all agree. A lost or accepted chargeback reverses the original sale, much like a refund, and with it the output VAT. The fee is a separate business cost. A chargeback you win reverses nothing.
This guide is for you if:
- You sell on Shopify in the UK, are VAT registered and have had a payout reduced by a chargeback.
- You (or your bookkeeper) are not sure whether to touch the VAT return when a dispute is lost.
- You want a simple monthly routine for chargeback accounting that your accountant will thank you for, and a clear rule for every outcome.
Last updated: 19 October 2026. Written by the ChargeFix team. Reviewed against sources on 19 October 2026. General information, not tax or accounting advice.
The 30-second answer (TL;DR)
- Chargeback accounting starts with one rule: a lost or accepted chargeback reverses the sale in your books like a refund. A won chargeback reverses nothing, because the money comes back.
- On a £240 sale (£200 net, £40 VAT), a lost chargeback reduces net sales by £200 and output VAT by £40, in the VAT period when the money left your balance.
- The chargeback fee is a business cost, not part of the sales reversal. On Shopify Payments in the UK it is £10, returned if you win.
- Do not amend the original VAT return. Reverse in the period the funds leave.
- A refund is different: output VAT drops only when you actually pay the refund, and a credit note should follow within 14 days.
Do this today (10 minutes):
- Open your Shopify payout report for the month and list every chargeback line, with its date and amount.
- Mark each one as pending, lost or won.
- Send that list to your accountant or bookkeeper with the order numbers. Ask one question: "How do you want these booked?"
A list with order numbers saves more time than any rule in this guide.
From dispute to decision
| Stage | What happens | Your books |
|---|---|---|
| Dispute opens | Shopify takes the amount and the £10 fee from your balance | Log it as disputed funds, do not reverse the sale yet |
| Response | You send evidence by the due date | Nothing changes |
| Won | The card company rules for you and Shopify returns both | Clear the held amount, nothing to reverse |
| Lost | Both stay gone | Reverse the sale and VAT, book the fee as a cost |
| Accepted | You do not fight | Same as lost |
What is chargeback accounting, and why does it trip up UK stores?
Chargeback accounting is the set of entries that record a dispute: the money leaving, the sale being reversed if you lose, the VAT adjustment and the fee. It trips people up because a chargeback looks like a refund in the bank but behaves differently in the paperwork.
With a refund, you decide. You make a payment, you issue a credit document and the books follow your decision. With a chargeback, the bank decides. The money leaves first, the verdict comes weeks later and, in the meantime, your payout report, your sales report and your VAT return can all tell different stories.
Shopify's help centre describes the cash side. When a chargeback is opened, the disputed amount and the fee are withdrawn straight away. If you win, both come back. If you lose, both are gone. Shopify also says the card company's review can take up to 75 days after you submit evidence. So there can be a long gap between money leaving and a final answer, and that gap is where chargeback accounting needs a rule.
Here is a simple way to hold chargeback accounting in your head:
- Money moves first. Your bank or payout shows the cash effect immediately.
- The books wait for the verdict. You reverse the sale only when you know you have lost.
- The VAT follows the books. VAT comes down with the sale, in the period the funds left.
One caution before we start. Most of the VAT detail in this guide comes from a UK accountancy blog that cites Regulation 38 of the VAT Regulations 1995 and HMRC's guidance reference VATREC13040. I could not open the HMRC pages myself, so treat this as a map and confirm the details with your accountant or HMRC before you rely on it.
How does chargeback accounting treat a lost dispute?
A lost or accepted chargeback reverses the original sale, so net sales and output VAT both go down. Take a £240 order: £200 net plus £40 VAT at 20 percent. If the chargeback is lost, you reverse £200 of net sales (Box 6 on the VAT return) and £40 of output VAT (Box 1).
The fee is not part of that reversal in chargeback accounting. It is a cost charged by your payment provider, so it sits in your expenses, not in your sales.
| Line | Amount | Where it goes |
|---|---|---|
| Original sale, gross | £240 | Already in sales and VAT |
| Net sales reversed | £200 | Reduces Box 6 |
| Output VAT reversed | £40 | Reduces Box 1 |
| Chargeback fee | £10 | Business cost, not a sales reversal |
| Cash that left your balance | £250 | £240 plus the £10 fee |
Now the part most guides skip: what the loss really costs. The £250 of cash that left is partly offset by the £40 lower VAT bill on your next return. So the real hit is about £210, plus the cost of the goods if they are gone. Run that sum before you decide whether a dispute is worth fighting, because the £40 you recover through the VAT return is not a reason to give up a sale you could have won.
Two points on timing. First, you reverse in the VAT period when the funds left your balance, not the period of the original sale. Second, you do not amend the original return. The adjustment goes into the current period.
What does chargeback accounting do when you win?
Nothing needs reversing. When you win a chargeback, Shopify returns the disputed amount and the fee, and your books end up exactly where they started. The sale stands, the VAT stands and the fee comes back as a credit.
This is why sensible chargeback accounting treats an open dispute as a holding position, not an instant loss. Reversing the sale on day one, then putting it back on day 70 when you win, creates two sets of adjustments and a VAT return that moves for no reason.
The simplest holding approach is to record the withdrawn amount as "disputed funds" (an asset account or a clearly labelled line in your reconciliation) until the card company decides. This is my suggested way to keep things tidy, not a rule from a source, so ask your accountant if they want it handled differently. What the source I used does say is that a reversal is tied to the money leaving your balance and that, if you successfully contest and the funds return, there is nothing to reverse.
When the decision arrives, chargeback accounting follows two paths:
- Won: clear the held amount against the returned money. Credit the fee back to the expense line.
- Lost: move the held amount to a sales reversal, adjust VAT, and leave the fee as an expense.
If you are on Shopify Payments, remember that winning does not remove the dispute from your chargeback rate. The rate counts disputes filed, so the accounting outcome and the account-health outcome are separate things.
How should chargeback accounting record the fee?
As a cost of doing business, in whichever expense line you use for payment fees. The fee is charged by your payment provider, so it is not a sales reversal and it does not reduce VAT on the sale.
On Shopify Payments in the UK the fee is £10. If you win, Shopify returns it, so your net cost for a won dispute is zero in cash. If you lose, it stays gone. Stripe publishes different fees for Stripe accounts used directly: £20 when a dispute is received and another £20 if you counter, for disputes since 17 June 2025. Use the figure that matches the account that actually processed the payment.
| Outcome | Shopify Payments UK fee | Net cost of the fee |
|---|---|---|
| Won | £10 taken, then returned | £0 |
| Lost | £10 taken, not returned | £10 |
| Accepted | £10 taken | £10 |
Does the fee carry VAT? The accountancy blog says Shopify's fees to UK sellers generally fall under the reverse charge, with the VAT accounted for through Boxes 1 and 4, but it does not say whether the dispute fee itself is treated that way. I could not verify that, so ask your accountant how they treat Shopify fee lines, and apply the same rule to the dispute fee unless they tell you otherwise.
How is chargeback accounting different from refund accounting?
A refund is your decision and needs a credit note. A chargeback is the bank's decision and, if lost, behaves like a refund you did not choose. The VAT effect is similar, but the triggers differ.
| Refund | Lost chargeback | |
|---|---|---|
| Who decides | You | The card issuer |
| When output VAT drops | When you actually pay the refund | When the funds leave your balance |
| Credit note | Yes, within 14 days of making the refund | The source does not say a credit note is needed for a chargeback |
| Fee | None | £10 on Shopify Payments, unless you win |
| Counts toward chargeback rate | No | Yes |
On refunds, the accountancy blog gives these rules, again citing Regulation 38 and HMRC's VATREC13040:
- VAT can only be reduced when the supplier actually makes the refund. An agreed refund that has not been paid is not enough.
- A credit note should be issued within 14 days of making the refund, with the clock starting at the refund, not at the agreement.
- A valid one reflects a genuine agreed reduction and is issued in good faith.
A good one carries an identifying number and date, your details and VAT number, the customer's details, the reason, a description of the goods or services, the amounts credited and a reference to the original invoice. If returned goods cannot be linked to a specific invoice, you need to be able to show that you accounted for VAT on the original sale.
This is one more reason to refund early when a dispute is not worth fighting. Refunding before a chargeback lands avoids the fee, keeps the dispute out of your chargeback rate and gives you a clean refund trail. One caution: once a dispute is open, Stripe says you cannot refund outside the dispute process, and Shopify's help page does not say how a refund interacts with an open dispute, so check before you refund.
How does chargeback accounting handle a partial refund or a restocking fee?
You reverse only what you actually pay back. The accountancy blog states that only the amount actually refunded is reversed, with the matching net value and VAT. If you keep a restocking fee, VAT stays on the retained portion.
Here is a worked example. A customer returns a £140 item from a £240 order and you refund £120 gross after keeping a £20 restocking fee. I am treating the restocking fee as gross for simplicity, and your accountant may want it handled differently.
| Item | Gross | Net | VAT |
|---|---|---|---|
| Original item returned | £140 | £116.67 | £23.33 |
| Restocking fee kept | £20 | £16.67 | £3.33 |
| Refund paid | £120 | £100.00 | £20.00 |
The numbers are an illustration of the principle: only the £120 actually paid reduces VAT. The part you keep remains a sale.
If you are unsure how to treat a fee you have kept, do not guess in the books. Ask. A one-line question to your accountant is cheaper than an adjustment next quarter.
Is chargeback accounting ever the same as bad debt accounting?
Usually no. Bad debt relief is for a customer who has not paid you. A chargeback is a customer whose payment was taken back after you were paid, which is closer to a refund in effect. The accountancy blog treats the two separately: where no money is repaid, it describes a possible bad debt relief claim, which requires the debt to be over six months old, written off in your books, with the VAT reclaimed through Box 4, within four years and six months.
For a chargeback, money has left your balance, so the reversal route applies. Do not mix the two. A bad debt relief claim on a lost chargeback would double-count the VAT you have already adjusted.
I could not verify these bad debt conditions from HMRC directly, so check them before relying on them. For chargeback accounting, the practical rule is simple: money left, so reverse the sale and the VAT in that period.
What do the journal entries look like for chargeback accounting?
Here are illustrative entries for the £240 sale and £10 fee, in plain debit and credit form. They are my example of how a bookkeeper might record the stages, not entries from HMRC or Shopify, so adapt them to your chart of accounts.
| Stage | Debit | Credit | Amount |
|---|---|---|---|
| Dispute opens: funds withdrawn | Disputed funds (asset) | Payment balance | £240 |
| Dispute opens: fee withdrawn | Payment fees (expense) | Payment balance | £10 |
| Lost: reverse the sale | Sales | Disputed funds | £200 |
| Lost: reverse the VAT | Output VAT | Disputed funds | £40 |
| Won: funds returned | Payment balance | Disputed funds | £240 |
| Won: fee returned | Payment balance | Payment fees | £10 |
Read the table as two paths. After the first two rows, a loss follows rows three and four and a win follows rows five and six. In both cases the "disputed funds" account ends at zero, which is the sign you have booked it cleanly.
A neat check for chargeback accounting: at month end, disputed funds should equal the total of your open disputes. If it does not, something has been missed.
How does chargeback accounting fit into a Shopify payout reconciliation?
A payout is sales minus refunds, fees and chargebacks, so a payout that is lower than your sales report is normal. The reconciliation job is to explain every pound of the gap, and good chargeback accounting gives each dispute its own line.
Here is a made-up month to show the shape. Standard-rated sales only, and the figures are illustrative.
| Line | Amount |
|---|---|
| Gross sales (including VAT) | £18,000 |
| Refunds paid | -£900 |
| Chargebacks lost this month | -£480 |
| Chargeback fees (3 at £10) | -£30 |
| Other Shopify fees | -£520 |
| Disputes opened and still pending | -£250 |
| Payout | £15,820 |
Now the VAT view of the same month. Refunds of £900 gross are £750 net plus £150 VAT. Lost chargebacks of £480 gross are £400 net plus £80 VAT. So the month's adjustment is £1,150 off net sales and £230 off output VAT. The £250 still pending is not reversed yet. It sits in the holding account until the card company decides.
The three things that go wrong in chargeback accounting at this stage:
- The pending disputes are treated as lost, which reduces sales early.
- The fees are left inside the sales reversal, which understates the VAT due.
- The payout is booked as sales, which overstates both.
Shopify's help centre also says that chargebacks can reduce a payout or, if your balance is not enough, create a negative balance that is covered by future sales. If you have had a month where this happened, the payout will not tie to anything until you add the negative balance as a line. For that and for payout holds, ChargeFix has a separate guide on cash flow, linked below.
What does chargeback accounting look like across two VAT periods?
Reversals go in the VAT period when the money leaves your balance, not the period of the original sale. Here is a worked example with made-up dates.
A customer buys on Tuesday 15 September 2026 for £240. The sale is in your September figures and, depending on your VAT quarter, in whichever return covers September. The chargeback opens on Tuesday 6 October 2026, and the funds leave your balance that day. You respond and lose. The card company's decision arrives in December.
| Date | Event | VAT action |
|---|---|---|
| Tue 15 Sep 2026 | Sale: £200 net plus £40 VAT | Included in the return for that period |
| Tue 6 Oct 2026 | Dispute opens, £250 leaves your balance | Log as disputed |
| Tue 20 Oct 2026 | You submit evidence | None |
| December 2026 | You lose | Reverse £200 and £40 in the period that matches your policy |
| Original return | Already filed | Do not amend |
There is a real question hiding here: does the reversal go in the period the money left (October) or the period the verdict arrived (December)? The accountancy blog ties the reversal to the funds leaving your balance. My suggested holding approach books a loss when the verdict arrives. These two can differ by a VAT period. I could not verify which HMRC prefers in the pending-dispute case, so put this exact question to your accountant, and then apply their answer every time.
What records does chargeback accounting need for HMRC and your accountant?
For each reversal, keep the order, the payout line, the dispute notice and its outcome, and the VAT calculation. The accountancy blog's stated requirements on the refund side are the credit note, its link to the original invoice or order, and the refund record. It does not list what to keep for a chargeback specifically, so use the same logic: show that the sale existed, that money left and that you adjusted the right amount.
A tidy dispute log makes this a five-minute job. Here are columns that work in a spreadsheet:
Date opened | Order # | Customer | Gross £ | Net £ | VAT £ | Reason |
Due date | Status (pending/won/lost/accepted) | Outcome date |
Fee £ | Fee returned? | VAT period | Notes
Add the order number and the Shopify dispute reference in the notes column, so your chargeback accounting can be audited in minutes. When an accountant asks "what is this £250?" in March, a row answers in ten seconds.
What should a month-end routine for chargeback accounting look like?
Keep chargeback accounting to 20 minutes and do it the same day each month. Here is a plan for October 2026, closing on Friday 30 October.
| Date | Task | Output |
|---|---|---|
| Fri 30 Oct | Export the month's payout report. List every chargeback line. | Raw list |
| Mon 2 Nov | Update the dispute log: pending, won, lost, accepted. | Log current |
| Tue 3 Nov | Check the holding account equals open disputes. | Balance ties |
| Wed 4 Nov | Calculate net and VAT on lost or accepted disputes, using your own VAT rate per order. | Reversal figures |
| Thu 5 Nov | Send the list and figures to your accountant with order numbers. | Email sent |
| Fri 6 Nov | Check the evidence deadlines for every open dispute. | Dates in the calendar |
The last row matters more than it looks. The dispute is also a response deadline, and missing one almost always means an automatic loss. Shopify Payments sends whatever is on file on the due date, so do the finance step and the evidence step in the same sitting.
Which chargeback accounting questions should you ask your accountant?
These six chargeback accounting questions cover what I could not verify. Send them once, keep the answers and use them every month.
- For an open dispute, do you want the sale reversed when funds leave, or when the verdict arrives?
- Do you want the withdrawn funds in a "disputed funds" account until then?
- How do you treat the dispute fee for VAT, given the reverse charge on Shopify's fees?
- Do you want a credit note for a lost chargeback, or only for refunds?
- Does my VAT scheme (standard, cash accounting or flat rate) change any of this?
- If a dispute is won months later, how should the late return of funds appear?
On question five: the accountancy blog does not cover other VAT schemes, and I did not research them, so do not assume this guide applies unchanged if you are on cash accounting or the flat rate scheme.
How does chargeback accounting change your decision to fight or refund?
Chargeback accounting tells you the true cost of each option, and the true cost is smaller than the headline because of the VAT you recover. Here is a made-up comparison on the £240 order with £90 of goods cost, assuming the goods are gone either way.
| Option | Cash effect | VAT recovered | Net cost (ex goods) |
|---|---|---|---|
| Refund early | -£240 | £40 lower VAT bill | £200 |
| Fight and lose | -£250 | £40 lower VAT bill | £210 |
| Fight and win | £0 | None | £0 |
The extra £10 for losing is the fee. The gap between refunding and losing is small in cash, but the dispute also counts toward your chargeback rate, and the refund does not. So fight when you have a real chance, and refund early when you do not.
For the break-even maths, the cost to respond is time. If you value your time at £20 an hour and a response takes 30 minutes, that is £10. The break-even chance of winning is the extra cost of fighting divided by what you can recover. On these figures, fighting costs about £10 in time and £10 in fee risk, against £240 to recover, so you need only a modest chance of winning for the fight to pay off. A trade source that discusses the same logic says there is no universal win-rate cutoff, and that the decision depends on your own odds.
How does chargeback accounting treat the four common endings?
Every dispute ends in one of four ways, and chargeback accounting treats each differently. Here is the £240 sale again, with the £10 Shopify Payments fee, across all four.
| Ending | Cash | Net sales | VAT | Fee | Chargeback rate |
|---|---|---|---|---|---|
| You refund before a dispute lands | -£240 | -£200 | -£40, once the refund is paid | None | Not counted |
| You fight and win | £0 net, after the return | No change | No change | £10 taken, then returned | Counted |
| You fight and lose | -£250 | -£200 | -£40 | £10 cost | Counted |
| You accept the dispute | -£250 | -£200 | -£40 | £10 cost | Counted |
Look at the last column. Chargeback accounting is not only about tidy VAT. The treatment is identical for a loss and an acceptance, but a refund that lands before the dispute is the only ending that avoids the fee and the chargeback rate in one go. When a customer message hints at a dispute, a fast refund is often the cheapest line in the whole table. Shopify's help centre says an inquiry takes no money and a chargeback does, which is why the order of events matters so much.
If you are on Stripe directly, the fee line changes to £20 on receipt and a further £20 if you counter, so a fight you lose can cost £40 in fees before the sale is touched. Your chargeback accounting should record each payment of a dispute fee separately so you can see what disputes really cost you in a year.
What does chargeback accounting mean for stock and cost of goods?
Usually nothing, because the goods are gone. If the parcel was delivered and the customer kept it, the cost of goods you already booked stays booked, and the chargeback only reverses the revenue. That is why a lost dispute hurts more than the headline suggests: you lose the sale and the product.
The picture changes if the goods come back. Suppose the parcel is returned to you undelivered after the chargeback. Then the stock is back on your shelf, and your chargeback accounting should put it back into stock at cost, reversing the cost of goods for that item. This is general bookkeeping logic and not something I found in a source, so check it with your accountant, particularly for damaged items.
| Goods outcome | Stock entry | Why |
|---|---|---|
| Delivered and kept | None | The cost of goods stands, only revenue reverses |
| Returned to you in good condition | Back into stock at cost | You still have the item |
| Returned damaged | Back into stock at a lower value, or written off | Your accountant will set the rule |
| Never shipped, order cancelled | Nothing was removed | No cost of goods to reverse |
One practical habit: add a column for the cost of goods in your dispute log. When you review disputes quarterly, the true cost of each loss, sales plus goods plus fee, is the number that tells you where to tighten your process.
How do you keep chargeback accounting simple as your store grows?
Match the effort to the volume. At one or two disputes a month, a spreadsheet and a monthly note to your accountant is enough. At ten or more, you want a standing rule, a named owner and a check that the holding account ties out at every month end.
Here is a simple scale:
| Disputes per month | What to do |
|---|---|
| 0 to 2 | Dispute log in a spreadsheet, send to your accountant monthly |
| 3 to 9 | Add the holding account, reconcile payouts against the log |
| 10 or more | Agree a written chargeback accounting rule with your accountant, review quarterly |
And a checklist you can paste into your month-end process:
CHARGEBACK ACCOUNTING MONTH-END CHECKLIST
[ ] Payout report exported and every chargeback line listed
[ ] Dispute log updated: pending, won, lost, accepted
[ ] Holding account equals the total of open disputes
[ ] Lost or accepted disputes: net and VAT worked out per order
[ ] Fees booked as costs, returned fees credited back
[ ] Refunds paid this month have their paperwork issued within 14 days
[ ] Evidence deadlines for open disputes checked and in the calendar
[ ] List and figures sent to the accountant with order numbers
The point of a rule is that nobody has to think. If chargeback accounting takes the same twenty minutes on the same day every month, it stops being a worry and becomes a habit.
What is different for UK merchants?
General information, not tax or accounting advice.
VAT basics used here
The examples use the 20 percent standard rate, which is what the £200 net plus £40 VAT example in the accountancy blog implies. Zero-rated and reduced-rate goods change the figures, and I did not research them.
Fees
On Shopify Payments in the UK the chargeback fee is £10, returned if you win. Direct Stripe accounts show £20 for a dispute received and £20 more if you counter, for disputes since 17 June 2025. Shopify's response window is usually 7 to 21 days and the card company's review can take up to 75 days after you submit.
Where the paperwork sits
The accountancy blog cites Regulation 38 of the VAT Regulations 1995 for the rule that output VAT can only be reduced when a refund is actually paid, and HMRC's VATREC13040 for credit note conditions. Check these directly on GOV.UK before you rely on them.
What I could not verify: HMRC's own wording on chargebacks, the VAT treatment of the dispute fee, the right period for a pending dispute, other VAT schemes, and any accounting software's built-in handling of chargebacks. Your accountant's answer beats mine on all five.
What are the common mistakes in chargeback accounting?
Most chargeback accounting mistakes come from treating a chargeback like a normal expense, or like a normal refund.
- Booking the whole chargeback as an expense, so net sales and VAT stay overstated.
- Reversing the sale on day one, then re-adding it when the dispute is won.
- Leaving the fee inside the sales reversal.
- Amending the original VAT return instead of adjusting the current period.
- Treating a chargeback as bad debt.
- Issuing a refund and letting the chargeback land too, which means paying twice.
- Not logging pending disputes, so the payout does not tie.
- Forgetting that the fee comes back on a win.
- Reversing VAT on a refund you have agreed but not yet paid.
- Doing the books monthly but missing evidence deadlines, which turns a winnable dispute into a loss.
Fix the first two and your chargeback accounting will already be cleaner than most.
Frequently asked questions
How do I account for a chargeback on Shopify?
For chargeback accounting, log the withdrawn amount as disputed funds when the dispute opens. If you lose, reverse the sale and the VAT and treat the fee as a cost. If you win, clear the the holding account and credit the fee back. Ask your accountant to confirm the period.
Do I reverse VAT on a lost chargeback?
Generally yes. A lost or accepted chargeback reverses the original sale like a refund, so VAT comes down with it. On a £240 sale that is £40 off Box 1 and £200 off Box 6, in the period the funds left your balance. Confirm with your accountant.
Is the chargeback fee a business expense?
Yes. In chargeback accounting the fee is a cost charged by your payment provider, not part of the sales reversal, so it goes in your expenses. On Shopify Payments in the UK it is £10 and is returned if you win. Ask your accountant whether VAT applies to the fee.
Do I amend a past VAT return for a chargeback?
No. The accountancy blog says to reverse in the VAT period when the funds leave your balance and not to amend the original return. The adjustment lands in the current period, so keep a clear note linking it back to the original sale. That is standard chargeback accounting practice.
What if I win the chargeback after I booked it as lost?
Reverse the earlier entries. Shopify returns the disputed amount and the fee when you win, so the sale stands again. This is why a holding account for open disputes is cleaner than reversing at the start. Tell your accountant so the VAT period is corrected.
Do I need a credit note for a chargeback?
The accountancy blog sets out the rules for refunds, within 14 days of paying the refund, but does not say a credit note is required for a chargeback. Ask your accountant, and keep the dispute notice and outcome as your record.
Can I claim bad debt relief on a chargeback?
Usually not. In chargeback accounting, bad debt relief is the wrong tool. It covers unpaid customer debts, with conditions such as the debt being over six months old and written off. A chargeback takes back money you were paid, so the reversal route applies. Confirm the conditions with HMRC or your accountant.
How do pending chargebacks affect my payout reconciliation?
They reduce the payout but are not yet a sales reversal. List each one as the holding account, with the order number and due date, so the payout ties. At month end, the holding account should equal your open disputes.
Does winning a chargeback still affect my chargeback rate?
Yes. Shopify says winning does not remove the dispute from your chargeback rate, which counts disputes filed rather than outcomes. Chargeback accounting and account health are separate matters, so a clean set of books does not lower the rate. A refund before a dispute lands avoids the hit altogether.
Does this apply if I am on the flat rate or cash accounting scheme?
I could not verify that. The sources I used describe standard VAT accounting, so ask your accountant how your scheme treats refunds and lost chargebacks before you apply this chargeback accounting to your own figures. Keep the dispute log either way, because it helps under any scheme.
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