Most of what is written about Saudi VAT registration starts with the portal screens and the documents to upload. The mistake that actually costs small businesses happens earlier: knowing when registration becomes compulsory. Many shop and office owners assume the SAR 375,000 threshold is checked once, at year-end. The Implementing Regulations say otherwise. Article 3 requires an unregistered person to calculate the value of their supplies at the end of every month, over the twelve months then ended, and if that figure exceeds the threshold, to apply within thirty days of the end of that month.
This article walks through the two tests that decide whether you must register, what counts toward the figure and what does not, and then the certificate, the fine and deregistration, as they stand in ZATCA's current consolidated text of the Implementing Regulations.
Two thresholds: 375,000 and 187,500
| Threshold | Annual value | Effect |
|---|---|---|
| Mandatory registration | SAR 375,000 | Must apply within 30 days |
| Voluntary registration | SAR 187,500 | May register, not required to |
| Below 187,500 | — | No taxable registration |
Both figures come from the GCC Unified VAT Agreement, which the Regulations refer to. What turns "may" into "must" is set by Articles 3 and 7 of the Regulations.
Test one: the twelve months just ended
Article 3: every resident person who is not registered must, at the end of each month, calculate the value of their supplies made in the Kingdom over the twelve months then ended. If that value exceeds the mandatory threshold, they must apply within thirty days of the end of that month. Registration then takes effect from the start of the month after the month the application is filed.
The phrase that matters is "the twelve months then ended". It is a rolling window, not a financial year. Take a shop that opened in January:
| Month-end | Month's sales | Rolling total | Status |
|---|---|---|---|
| June | 25,000 | 150,000 | Below both thresholds |
| July | 40,000 | 190,000 | Above voluntary |
| August | 45,000 | 235,000 | Above voluntary |
| September | 50,000 | 285,000 | Above voluntary |
| October | 60,000 | 345,000 | Above voluntary |
| November | 55,000 | 400,000 | Mandatory threshold crossed |
The rolling total crossed 375,000 at the end of November, so the last day to apply is 30 December. An owner who waits for the 31 December close to "see the annual figure" is already a day late, and a day is enough for the fine.
Test two: the next twelve months
Article 4 adds a second test that many people miss. The same person must estimate at the end of each month the value of supplies expected over the next twelve months. If the expected figure exceeds the mandatory threshold, the 30-day clock starts there as well. ZATCA's support account said the same thing in a public reply: for new businesses, the mandatory threshold is calculated on taxable sales over the coming twelve months.
The effective date is what makes the difference. Under test one, registration starts after the application. Under test two, Article 4(2) makes registration effective from the start of the first month in which annual supplies were expected to exceed the threshold. A contractor who signs a SAR 600,000, twelve-month contract in September does not get to wait for the invoices to accumulate. The obligation arose at the end of September, and VAT is due from that point whether or not it was added to the invoices.
What counts toward the figure, and what does not
The Regulations themselves set out three rules that change the number you compare with the threshold:
- Capital assets are left out. Article 6(5) excludes the supply of a capital asset from total annual supplies, provided it was used to run the economic activity under a commercial registration or licence and was not held to earn rent or for resale. Selling the delivery van or a workshop machine does not push you over.
- A business whose supplies are all zero-rated does not have to register. Article 9(1) exempts from mandatory registration a person whose supplies exceed the threshold if every one of them is zero-rated, such as an exporter selling its entire output abroad. It may still register voluntarily, and usually should, because that is how it recovers VAT on its inputs.
- ZATCA can add related persons together. Article 9(2) lets the Authority, where two or more related persons carry on similar or connected activities, issue a notice combining their supplies and treating the total as each one's annual figure. Splitting a business across entities so that each stays under the line is not a safe plan.
A fourth point was settled by the tax committees: registration attaches to the person, not to the commercial registration. In a decision of the First Circuit in Dammam (VD-224-2020), the committee held that VAT registration is linked to all of the claimant's commercial registrations, and that striking off one CR changes nothing while others remain active. An owner of two sole proprietorships adds both sets of sales together.
Exempt supplies, such as residential rent and some financial services, are treated by most professional guides as outside the count. The Regulations do not say so in these articles; the calculation is made "in accordance with the Agreement". If a large share of your revenue is exempt, compute the figure both ways and get written advice before relying on a decision not to register. We have covered separately why exemption belongs to the supply, not the business.
Voluntary registration: why you might choose it, and why you cannot quickly undo it
Article 7 allows registration once supplies or expenses reach SAR 187,500 over the past twelve months, or are expected to over the next twelve. The word "expenses" matters for a start-up spending on fit-out before it sells: registering lets it recover the input VAT.
Article 13(8) puts a limit on that choice: a person who registered voluntarily may not apply to deregister before twelve months have passed, unless it has stopped trading. Voluntary registration means at least a full year of returns, even nil ones.
The "VAT certificate": what you actually receive
When an application is accepted, ZATCA issues a registration certificate showing the effective date and the tax identification number (Article 8(5)). A registered person must display it at the main place of business, its branches and its online stores so that it is visible to the public (Article 8(8)), and must notify ZATCA of any change to the registration details within twenty days (Article 8(7)).
Businesses below the threshold often ask how to get an "exemption certificate" that a client or platform has requested. ZATCA's answer on its official support account is direct: there is no VAT exemption certificate. A person who registers with annual revenue under SAR 187,500 receives a "notice of acceptance of VAT registration, not taxable" in the messages section of their account. If a client asks for a certificate, that notice is what you can provide, not an exemption document.
Once you are registered, your customers will start checking your number before they deduct the VAT you charge them. You can see what they see with our Saudi VAT number checker, and we have explained what each verification method actually proves.
The fine, and registration imposed by ZATCA
Article 41 of the VAT Law: "Any person who fails to submit a registration application within the period specified in the Regulations shall be punished by a fine of SAR 10,000." The tax committees have upheld it repeatedly and have rejected ignorance of the law as a defence.
The fine is not the largest cost. Article 6(1) allows ZATCA to register you without an application, effective from the date set by Articles 3 and 4, meaning from when the obligation arose rather than when it was discovered. Every invoice issued since then without VAT now carries tax that is due and was never collected from the customer. If you cannot recover it from them, it comes out of your price: of every SAR 115 you received, SAR 15 is VAT. Work out the effect on your prices with the VAT calculator in the "extract VAT from a gross amount" direction; both directions are explained in our guide to calculating Saudi VAT.
The late-registration fine is one of the four fines covered by the fines-waiver initiative until 31 December 2026, subject to its conditions. Details are in our article on the initiative.
Deregistration: when it is required, and when it is allowed
Article 13 separates the two cases.
You must apply to deregister within thirty days in three situations:
- You stop carrying on an economic activity, including a legal person ceasing to exist or a transfer of the business that ends the activity completely (paragraph 1).
- A nonresident has made no taxable supply in the Kingdom for twelve months (paragraph 2).
- A resident meets all three conditions together (paragraph 3): supplies or expenses over the past twelve months do not exceed the voluntary threshold, over the past twenty-four months do not exceed the mandatory threshold, and are not expected to exceed the voluntary threshold in the current month and the following eleven.
You may apply to deregister (paragraph 6) if supplies over the past twelve months did not exceed the mandatory threshold and are not expected to exceed it over the next twelve.
ZATCA Board resolution 24-06-01 of 19 November 2024 added a practical condition to paragraph 1: all tax obligations must be settled before a deregistration request is approved. A late return or an unpaid balance keeps the registration alive, along with the duty to keep filing, until it is cleared. The same resolution added paragraph 13: where a business is transferred, the transferee must notify ZATCA within thirty days of the transfer, unless the transferor has already deregistered.
One monthly routine covers all of the above
Articles 3 and 4 require a monthly calculation, and nobody will do it for you. A small register updated at every month-end is enough:
- A rolling twelve-month total of supplies made in the Kingdom, excluding capital asset sales, with every CR you own added together.
- An estimate for the next twelve months, updated whenever a large contract is signed, not at year-end.
- Two written dates: the last day to apply (30 days after the month-end) and the expected effective date, because VAT is due from it.
- A pricing decision before registration: will you add 15% to your prices or absorb it? Contracts priced as "inclusive" will have the VAT taken out of them.
If your accounting system should run this check for you at every month-end close, we built it, with tests, in a TypeScript registration threshold monitor.
After registration a second calendar starts: the periodic return. We have covered its deadlines, penalties and how to correct it.
Are your sales approaching SAR 375,000 and you are not sure which month your obligation starts? Send us your monthly sales for the last two years and your current contracts, and we will send back a written diagnosis: the month each test crosses the threshold, the last day to apply, the effective date, and what VAT does to your current prices. Get in touch. The diagnosis comes before any commitment.
Sources: Implementing Regulations of the VAT Law, ZATCA consolidated Arabic text (Articles 3, 4, 6, 7, 8, 9, 13 and resolution 24-06-01); VAT Law, Article 41; First Circuit for VAT Violations and Disputes, Dammam, decision VD-224-2020; replies from ZATCA's support account (and here). This article is general information and does not replace professional tax advice.