Small businesses ask one question in many forms: which books do we actually have to keep, and for how long must we hold on to the documents? In Saudi Arabia the answer does not come from a single law. Four sets of rules intersect on your ledgers — the Commercial Books Law, the Companies Law, the VAT Law and its Implementing Regulation, and the zakat and income tax rules — with the e-invoicing regulation layered on top. Each answers “what”, “in which language” and “how many years” in its own way, and in practice the longest period wins.
This guide collects those answers from the legal texts themselves and turns them into working rules for an archive that survives a ZATCA examination and a court dispute alike.
1. Which books must be kept?
The Commercial Books Law (Royal Decree M/61 of 17/12/1409 AH) requires every merchant to keep the books that the nature of the business demands, “in a manner that accurately shows the financial position”, and at a minimum three books: the original journal, the inventory book and the general ledger. A merchant whose capital does not exceed SAR 100,000 is exempt (Article 1). Computerised books are allowed (Article 2), and the merchant must keep true copies of all correspondence and documents sent and received in the course of business (Article 6).
The Income Tax Implementing Regulation (Article 56) repeats the same minimum — general journal, general ledger and inventory book — “in addition to the accounting records necessary to determine tax accurately”, kept inside the Kingdom together with the supporting documents.
The Companies Law (Royal Decree M/132 of 1443 AH), in Article 17, obliges every company to keep accounting records and their supporting documents “to clarify its business, contracts and financial statements” at its head office or another place designated by the manager or the board, to prepare financial statements at the end of each financial year under the accounting standards endorsed in the Kingdom, and to file them within six months of year end.
The practical minimum, then, is one accounting system producing a journal, a ledger and an annual inventory record, with a supporting-document file behind every entry.
2. In which language? Always Arabic
The laws agree here. The Commercial Books Law requires the books to be “regular and in Arabic”. Article 58 of the Income Tax Law requires the taxpayer to keep “the necessary commercial books and accounting records in Arabic”. Article 66 of the VAT Implementing Regulation states that “records must be kept in Arabic, and all invoices must be issued in Arabic in addition to any other language in which tax invoices may be issued”. Article 99 of the Zakat Collection Regulation requires every document and explanation supporting a zakat return to be submitted in Arabic.
Your team may work on an English-interface system, but account names, entries and the reports extracted for ZATCA must be available in Arabic, and invoices are issued in Arabic even when a second language is added.
3. For how many years?
This is where the laws differ, and the rule is to comply with the longest:
| Rule | Period | Note |
|---|---|---|
| Commercial Books Law — Article 8 | Ten years at least | Covers books, correspondence and documents; binds the merchant and the heirs |
| VAT Implementing Regulation — Article 66 | Six years from the end of the tax period | Tax invoices, books, records and accounting documents |
| VAT Implementing Regulation — capital assets | Adjustment period plus five years from acquisition | Adjustment period is six years for movable assets and ten for real estate (Article 52) — up to 11 and 15 years |
| Income Tax Law — Article 65 | Assessment window of five years, extending to ten | Ten years where no return was filed or evasion is established |
| Companies Law — Article 17 | No period stated | The Commercial Books Law period (ten years) applies, since a company is a merchant |
The rule we recommend in practice: ten years for everything, and fifteen years for purchase documents of real estate and other immovable assets together with their tax invoices, because ZATCA may revisit input tax on a capital asset throughout its adjustment period. Count not from the date of the document but from the end of the year or tax period it belongs to.
4. Electronic books — allowed, with conditions
Every rule permits computerised books, and the conditions are broadly similar. Article 66(3) of the VAT Implementing Regulation requires anyone keeping records electronically to ensure:
- Access to invoices, documents and records from the computer system, and their extraction on ZATCA’s request.
- Data entry in Arabic, matching the book version exactly.
- Retention of the original documents supporting all recorded entries, produced on request.
- Final accounts and the balance sheet extracted directly from the system; where traditional methods are used for some items, all settlement entries attached in Arabic.
- Documentation of data entry and of the accounting processing system for review when needed.
- Adequate security procedures and controls to prevent tampering with invoices and records.
- Compliance with the e-invoicing regulation for storing electronic invoices and notes.
The Income Tax Implementing Regulation (Article 56) adds a condition many overlook: the computer must be located inside the Kingdom. A branch of a foreign company may keep its central computer abroad provided a local terminal gives access to all data and entries, with periodic (quarterly) printouts containing all information. If your system is cloud-based, ask the provider where the data is hosted and how it can be extracted during an examination.
5. May an accounting firm keep the books for you?
Yes, expressly. Article 56 of the Income Tax Implementing Regulation provides that “the taxpayer may engage a specialised professional firm to do so, while remaining directly responsible”. Article 66(4) of the VAT Implementing Regulation allows a resident taxable person to “appoint a third party established in the Kingdom in order to comply with the requirements of retaining invoices, documents, books and records”, with the taxable person remaining responsible for its obligations. A non-resident must appoint such a third party.
In practice, outsourcing does not transfer the legal responsibility, but it does transfer the operational burden. That is what our accounting and bookkeeping service delivers: regular books in Arabic, supporting documents archived by tax period, and monthly reports extracted directly from the system.
6. What happens if you do not keep the books, or destroy them early?
- Commercial Books Law fine: SAR 5,000 to 50,000 per violation (Article 12).
- Companies Law fine: up to SAR 500,000 for anyone who fails in the duty to keep accounting records or to prepare or file the financial statements (Article 262).
- VAT fine: up to SAR 50,000 per tax period for failing to keep tax invoices, books and records for the prescribed period (Article 45 of the VAT Law), which may be doubled on repetition within three years (Article 47).
- Disallowed expenses: ZATCA may refuse any expense for which the taxpayer cannot produce the document or supporting evidence (Income Tax Law, Article 58).
- Estimated assessment: a business without financial statements that reflect its real activity is treated for zakat purposes as an “estimated taxpayer”, with sales and the zakat base estimated by ZATCA’s criteria rather than its own figures.
- Before the courts: if a merchant refuses to produce the books, the court may treat the refusal as a presumption that the facts to be proven by them are true (Commercial Books Law, Article 10).
7. A practical checklist for an examination-proof archive
- One accounting system that produces the journal, ledger and inventory record and extracts the statements directly, with the data-hosting location recorded in writing.
- A supporting-document file for each tax period: sales and purchase invoices, bank statements, contracts and customs documents, numbered in the order of the entries.
- A fixed-asset register holding the purchase invoice, contract and input-tax documents for every asset, retained fifteen years for real estate.
- A payroll file: employment contracts, payroll sheets, GOSI notices and Wage Protection System transfers.
- Electronic invoices kept in their electronic form from the invoicing system itself, not only as printouts.
- A documented annual stock count with a signed minute and detailed lists recorded in the inventory book.
- Periodic backups inside the Kingdom, and an access log showing who can create and edit entries.
- A written destruction policy: no document destroyed before ten years from the end of its year, and no real-estate document before fifteen.
Frequently asked questions
Is a small sole proprietorship exempt from keeping books?
The Commercial Books Law exempts a merchant whose capital does not exceed SAR 100,000 from keeping the three books. The exemption does not remove VAT obligations if the business is VAT-registered, and it does not protect it from an estimated zakat assessment if it has no financial statements reflecting its activity.
Is it enough to keep scanned (PDF) invoices and destroy the paper originals?
The VAT Implementing Regulation requires retention of the original documents supporting the entries and their production on request, with the ability to extract them from the system. Whatever was issued electronically in the first place (such as e-invoices) is kept in electronic form; for paper originals, the safer course is to keep them for the full retention period alongside the scanned copy.
May the accounting system’s server be outside the Kingdom?
The Income Tax Implementing Regulation requires the computer to be located inside the Kingdom, with an exception for a branch of a foreign company that has a local terminal. The VAT Implementing Regulation requires that records be accessible and extractable on request. With a cloud system, confirm where the data is hosted and that it can be extracted in full during an examination.
From when does the retention period run?
For VAT, from the end of the tax period the document relates to; for capital assets, from the date the asset was acquired plus the adjustment period. The safest approach is to count from the end of the financial year in which the entry was closed.
I have engaged an accounting firm to keep my books — does responsibility pass to them?
No. The rules allow you to engage a specialised professional firm or a third party established in the Kingdom, but they state that the taxpayer remains directly responsible for the books and the obligations. Choose a firm that hands over the books and supporting documents in an extractable form, and record that in the engagement contract.
Sources
- Commercial Books Law — Royal Decree M/61 of 17/12/1409 AH (Bureau of Experts)
- Companies Law — Articles 16, 17 and 262 (Bureau of Experts)
- VAT Law — Articles 36, 45 and 47 (Bureau of Experts)
- VAT Implementing Regulation — Articles 52 and 66 (ZATCA)
- Income Tax Law — Articles 58 and 65 (Bureau of Experts)
- Income Tax Implementing Regulation — Article 56
- Zakat Collection Implementing Regulation 1445 AH — Articles 99 and 102 (ZATCA)
Read next: Filing Financial Statements on Qawaem: Deadlines, Timeline and Documents and Preparing for a ZATCA tax audit.
