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Find and remove duplicate receipts
Why duplicates happen
The most common cause: a receipt is uploaded once as a PDF scan, and later entered again manually (or OCR'd a second time from a different source). The result is two receipts for the same transaction — and your VAT return counts the input VAT twice, which is a compliance error.
Amaniq's duplicate finder scans your entire receipt database and groups potential duplicates so you can review and clean them up.
How to run the duplicate finder
- Go to Expenses → Duplicate Finder.
- Amaniq scans your receipts and groups them by three matching strategies:
- Same verification code (VC) — the strongest signal. Two receipts with the same TRA verification code are almost certainly the same receipt.
- Same supplier + same amount + same month — strong signal if the amounts match exactly.
- Same VRN + same amount + same month — useful for suppliers where the name was recorded slightly differently.
- Each group is shown with both receipts side by side — dates, amounts, Z-numbers, and PDF preview buttons.
Reviewing a group
For each group, you have two choices:
Delete one receipt — if one is clearly the duplicate (usually the manually entered one, or the one without a PDF attachment), click Delete on that receipt. The other remains.
Mark as "Not a duplicate" — if you believe the two receipts are genuinely different transactions (e.g., you bought from the same supplier for the same amount twice in one month), click Not a duplicate. Amaniq will not show this pair again.
The "Not a duplicate" dismissal is permanent and stored per pair. You will not be asked about the same two receipts again.
When to run this
- Before generating your monthly VAT return — a duplicate receipt double-counts input VAT
- After a batch import or bulk data migration
- Any time your input VAT figure looks higher than expected