Record keeping: how long, and in what form

The previous two lessons covered the e-invoice and VAT. But a correct invoice and precise VAT lose their effect if your records are not kept in a form that survives an audit. Record keeping is the third link that ties the first two together: it proves that everything you issued, collected, and remitted was actually correct. This lesson explains what to keep, for how long, in what form, and what that means when you choose a system.

What must be kept

Record keeping is not about invoices alone. The Zakat, Tax and Customs Authority looks at a complete picture that substantiates every number in your return. In practice you retain:

• Sales invoices you issued to customers, and purchase invoices you received from registered suppliers.
• Credit and debit notes used to adjust an earlier invoice.
• Accounting books — journals, the general ledger, and the trial balance.
• Import and export documents and customs declarations, where they apply.
• Contracts and agreements that explain the nature of your transactions.

The practical rule: any document that stands behind a number in your tax return must be something you can produce on request. A number with no supporting document is treated as if it does not exist.

How long to keep

The period is not a personal choice but a legal obligation. The general rule, per the Zakat, Tax and Customs Authority, is that records and invoices must be kept for no less than 6 years from the end of the tax period they relate to. Some records run longer:

In practice this means the invoice you issue today may need to be produced, in its original state, a full six years later. Deleting or losing it after a year or two is a violation, not mere carelessness.

In what form a record is accepted

Acceptance depends not only on how long you keep the record but on its condition when produced. A record accepted at audit is:

• Legible and complete: every field visible — not a faded scan or a missing line.
• Not editable after the fact: you do not change a number on an issued invoice; a correction is a documented credit or debit note, not an erasure of the old one.
• Quickly retrievable: you can reach one specific invoice among thousands when it is requested, not hunt through piles by hand.

Records may be kept on paper or electronically, and the Authority sets requirements on the form and manner of keeping them; review zatca.gov.sa for the details that apply to your case.

A concrete example

A spare-parts shop issued a sales invoice in January this year. The next year the Authority reviewed its return and asked for that exact invoice to verify output VAT. Held in a system that retrieves it in one click, the matter ends in minutes. Lost on a failed device, or handwritten and later discarded, it becomes a collected amount the owner cannot prove — and an unsupported number can be read against him.

What this means when choosing a system

When evaluating any accounting or ERP system, make sure it keeps your records in a way that survives an audit, not merely displays them today:

1. Archives every invoice and note for the legal period, without auto-deleting them after a short window.
2. Prevents retroactive edits to an issued document, and records any correction as a separate note.
3. Lets you search for and retrieve a specific invoice quickly, and export it when the Authority asks.
4. Takes regular backups, so years of archive are not lost to a single device failure.

Quick checklist

• Do you know how many years you must keep each type of your records?
• Can you produce an invoice you issued years ago, in its original state, today?
• Are your corrections made through a documented note rather than by editing the old number?
• Do you have a backup of your archive, away from the single device that holds it?

This lesson is introductory and does not replace the official texts or advice from a tax specialist for your specific case.