In brief
Apply Saudi CIT R&D expense conditions, the Kingdom and tax-year requirements, and the separate treatment of research land, buildings and equipment.
Establish the actual research-and-development expense
Income Tax Law Article 16 permits research-and-development expenditure connected with earning taxable income, while distinguishing the acquisition of land and research equipment. Implementing Regulations Article 9(9) adds the actual statutory description and the requirement for expenditure incurred in Saudi Arabia during the tax year.
The regulation describes research, development or experimentation in technical, scientific, engineering, computer-system and similar fields. An internal department name or an invoice marked R&D does not, alone, establish the expenditure’s nature, period, location or taxable-income connection.
Dariba recommendation: identify the project, work actually performed, expenditure and applicable tax year. Apply Law Article 16 and Regulations Article 9(9) alongside the general actual-expense and evidence controls; do not treat a project budget as an unconditional deduction.
Connect the activity with earning taxable income
Article 16’s income connection and Article 9(9)‘s related wording remain necessary. The general deduction guide explains the ordinary and necessary expense framework and the specific restrictions that can affect an otherwise supported payment.
Dariba analysis: explain how the project relates to the taxpayer’s taxable business and what the recorded amount represents. Scientific or technical language does not by itself establish that a shareholder’s private project is a business expense. Conversely, a cost should not be rejected solely because its account caption differs from the statutory wording if the actual facts establish the relevant activity and conditions.
A project description, relevant contracts, work records and cost reconciliation can support that connection. These are practical evidence suggestions, not an exhaustive statutory list or a newly prescribed certification requirement.
Preserve the Kingdom and tax-year requirements
Regulations Article 9(9) expressly refers to expenditure incurred in Saudi Arabia during the tax year. Identify the actual expenditure and activities rather than using the group’s worldwide research budget without a supported local analysis.
Dariba recommendation: for a project involving several countries or entities, distinguish work performed, costs borne and services actually received by the taxpayer. A supplier’s foreign address, a local payment account and the location of research activities are different evidence points. None alone resolves every cross-border expenditure question.
The provision does not prescribe a universal allocation percentage for a mixed project. Where the location or taxpayer connection is unclear, establish the facts and seek focused clarification of the actual route rather than promising that every foreign research invoice qualifies or that a Saudi invoice label cures the issue.
Separate research expenditure from land, buildings and equipment
Law Article 16 excludes the purchase of land or equipment used for research from its immediate expense deduction and places equipment under Article 17’s depreciation rules. Regulations Article 9(9) expressly excludes acquisition expenditure for land and the structures on it, or research equipment; it directs structures and equipment to Article 17 depreciation.
Dariba analysis: a research purpose does not turn the cost of a laboratory site, building or machine into an immediate research expense. Nor does exclusion from the immediate expense route mean that every capital item has no tax treatment. Establish the actual asset, basis and applicable depreciation or other provision.
The depreciation guide explains the pool and asset rules. Do not select a rate merely from the word research, deduct the same equipment purchase both immediately and through depreciation, or assume the land element follows a building’s depreciation treatment.
Reconcile a mixed project without treating the total as one category
Dariba illustration — qualifying current costs versus acquisition costs: assume a taxpayer establishes that SAR 400,000 project salaries and SAR 100,000 consumed research materials satisfy all current-expense, location, period and taxable-income conditions. The same project includes SAR 600,000 research equipment and SAR 600,000 land acquisition.
On those isolated assumptions, the current research-expense category is SAR 500,000. The SAR 1,200,000 acquisition cost is reviewed separately under the actual asset rules. The SAR 1,700,000 total project spend is not automatically the immediate R&D deduction.
This original illustration does not calculate depreciation or decide the accounting classification of an actual project. If costs require capitalisation, belong to another year or fail a specific condition, the assumptions must be revised before using the result.
Review supplier, financing and other tax questions separately
A related-party research charge can also require the Article 63–64 analysis, including the actual arrangement, independent pricing and specific expense restrictions. A financing charge has its own deduction conditions and limits. An R&D description does not displace those provisions.
Likewise, expense acceptance does not determine VAT recovery, withholding or a supplier’s Saudi PE position. Establish the actual service and applicable rules rather than treating the R&D route as a general exemption from other obligations.
Dariba recommendation: conclude separately on the expense category, amount, timing, location, asset route and unresolved facts. The provisions discussed here establish their own deduction framework; they do not, by themselves, establish eligibility for a separate grant, incentive or additional tax credit.
Maintain a project-to-return evidence bridge
Keep the project and business explanation, actual work records, contracts/invoices, payroll or materials evidence, accounting entries, location analysis and asset register together. Reconcile the amount claimed in the return to the supported current expenditure and any separate capital schedule.
The records and evidence guide explains the relevant record obligations. A management approval establishes a different point from actual performance, amount and tax treatment. The useful conclusion states which costs qualify through which provision and which factual or interpretive issue still needs resolution.
Key takeaways
- An R&D label does not establish the actual expense.
- The taxable-income connection, Kingdom and year tests matter.
- Land, structures and equipment need separate asset analysis.
- A mixed project budget is not a single immediate deduction.
- Related-party and other tax obligations remain separate.
Sources
- Saudi Income Tax Law, current amended Arabic textIncome Tax Law, Articles 12–17, including Article 16 research costs and the separate acquisition/depreciation rules; other existing cited provisions remain relevant.
- Income Tax Implementing Regulations, current amended Arabic textArticle 9(1)/(9): general expense conditions and R&D incurred in the Kingdom during the tax year, with land/structures/equipment acquisition excluded from immediate R&D expense.
- ZATCA Guideline on the Conditions of Deductible Expenses, second version May 2026Relevant section and numbered examples are specified in the analysis. English guidance is read with controlling Arabic legislation.
General information only. Actual supplies, facts, applicable periods and controlling Arabic legislation determine the result. Official examples are distinguished from Dariba analysis and original illustrations. Seek advice or clarification where the arrangement or source material leaves a specific issue unresolved.


