Financial
A receipt is proof that a payment was made — it records the merchant, the date, the items or services purchased, the amount paid, and the payment method. Receipts substantiate expenses for taxes, reimbursements, warranties, and returns, and are among the most numerous documents people need to keep track of.
The IRS period of limitations to assess additional tax is generally 3 years from the date you file, extending to 6 years if you underreport gross income by more than 25%.
Written & maintained by the Granite team · Last updated June 2026
Overview
A merchant issues a receipt at the point of payment, on paper or digitally. It confirms a transaction occurred and is the evidence behind expense deductions, business reimbursements, warranty claims, and returns. The challenge with receipts isn't any single one — it's the sheer volume and how easily paper ones fade or get lost.
For tax-deductible expenses and reimbursable business spending, a missing receipt can mean a lost deduction or denied claim. The IRS lets you keep records electronically — scanned and digital copies are valid records under Revenue Procedure 97-22 as long as they're legible and complete. Capturing receipts digitally as they come in — and tagging what each was for — is what turns a shoebox of fading paper into a usable record.
These are the fields Granite reads and extracts automatically the moment you upload one.
How long to keep it
Keep receipts that back a tax deduction, business expense, or warranty at least 3 years; stretch to 6–7 years for anything you'd struggle to reconstruct. Routine personal receipts only until a return window closes.
The IRS period of limitations to assess additional tax is generally 3 years from when you filed, but it extends to 6 years if you underreport income by more than 25% — which is why a 6-to-7-year window is the safe default for deduction-backing receipts. Warranty receipts need to last the warranty term. Everyday personal receipts can be discarded once you're past the return period — keeping everything forever just adds clutter without value.
Granite reads each receipt — merchant, date, items, amount, and payment method — the moment you snap or upload it, before the ink fades, and files it as a payment record. Tax-deductible and reimbursable receipts are captured and searchable by merchant or date, so building an expense report or substantiating a deduction is a search instead of a shoebox excavation.
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Drop it in once. Granite reads it, files it, and makes it findable forever — by you today, and by the people who'll need it later.