# Record retention

> Minimum period receipts and supporting documents must be kept.

**URL:** https://quilometragem.com/glossary/record-retention

**Summary:** Minimum period receipts and supporting documents must be kept.

- Record retention defines how long to keep receipts.
- Standards: IRS 3 years from filing (up to 7 in fraud cases); Mexico SAT 5 years; Brazil Receita Federal 5 years from filing.
- Digital receipts with integrity hashes and cloud backup meet the requirement without physical filing cost.

Record retention defines how long to keep receipts. Standards: IRS 3 years from filing (up to 7 in fraud cases); Mexico SAT 5 years; Brazil Receita Federal 5 years from filing. Digital receipts with integrity hashes and cloud backup meet the requirement without physical filing cost.