R&D Super Deduction: Why Records Matter More Than the Percentage

China's R&D super deduction is an enterprise income tax incentive. Qualifying R&D expenditure receives an additional deduction beyond the deduction otherwise allowed. It reduces taxable income, the income tax base calculated under tax law, rather than returning a fixed proportion of expenditure in cash. Work to support a claim typically starts with company eligibility, project facts and cost records. Technical and finance interviews, cost analysis and policy checks lead to a calculation that can be reviewed, filing support and a list of matters to resolve.

Under the general rules in Announcement No. 7 of 2023, qualifying R&D expenditure recognised as an expense receives an additional 100% deduction. Where it forms an intangible asset, tax amortisation is based on 200% of its cost. This example concerns an expensed project under the general rules only. If verified qualifying expenditure is RMB 500,000, the ordinary deduction of RMB 500,000 is supplemented by another RMB 500,000, producing total deductions of RMB 1 million. That is not a RMB 500,000 subsidy or a guarantee of an equivalent immediate cash benefit.

Explain the project before opening the cost schedule

The project, people and amounts in this teaching example are fictional and do not describe an actual client. A manufacturer wants to improve positioning accuracy in a conveyor system. Its technical lead, Mr Zhou, explains that the existing design loses accuracy at high speed. The team has tried three control approaches; two failed to meet the target. Finance officer Ms Lin receives a spreadsheet containing only payroll, materials and testing, totalling RMB 700,000.

That sheet indicates roughly what was spent but not what was done. Ms Lin first asks about the limitations of the existing system, the technical target, why an established solution will not resolve the problem and how the team plans to test its work. Under the policy, R&D involves continuing, systematic activity with a clear objective to gain scientific or technological knowledge, apply knowledge creatively or make substantive improvements to technology and related areas. Including “R&D” in a project name does not settle whether its activities qualify.

Check the company and the activity separately

At company level, check that it is an eligible resident enterprise with sound accounting, assessment based on its records and the ability to identify R&D expenditure accurately. The excluded industries must also be considered. Assessment based on records means, broadly, that income and tax are calculated using the company's books and supporting information. A company need not automatically be excluded because it lacks high and new technology enterprise status; having that status does not establish that every project qualifies either.

At project level, distinguish qualifying research from excluded activities such as routine upgrades, the direct application of existing research results and routine quality control. Mr Zhou also performs ordinary calibration work for customers. That work may require expertise, but if it simply follows an established standard, assigning it to the R&D department does not turn all its costs into R&D expenditure. Ms Lin lists those tasks separately and reviews the technical activities with him.

Connect four sets of evidence to the books

The first set concerns the project: objectives, plan, progress, changes and completion or termination. The second concerns people: who participated, when, what they did and which project they supported. The third concerns inputs: materials issued, equipment used and external test deliverables. The fourth concerns results: design versions, test data, problem records and interim conclusions. These do not all require new forms; reliable records already held in operational systems should be organised and used.

These records should connect to an R&D supporting ledger. This is a project-level cost record showing why an amount in the general ledger relates to R&D, how it was allocated and which tax category applies. Accounting R&D expense can differ from the amount eligible for the super deduction. Explain those differences individually instead of expanding the eligible categories simply to reach the original RMB 700,000 total.

The supporting ledger does not have to be one prescribed file. A company can use a published format or design its own in accordance with the requirements. A self-designed format must include the data items in the 2021 template, preserve the same logical relationships and identify eligible costs accurately. The format can fit the company's systems; the connection between projects and amounts must remain intact.

How do you allocate the pay of someone with two roles?

Mr Zhou works on research and supports production in the same month. Suppose his personnel costs within the eligible categories total RMB 20,000. Actual task and time records show 96 of his 160 hours were devoted to this R&D project, with the remainder spent on routine work. Using a time allocation consistent with the facts, the project's personnel cost is RMB 20,000 × 96 ÷ 160 = RMB 12,000. The remaining RMB 8,000 cannot be assigned to the project merely because Mr Zhou belongs to a technical department.

Announcement No. 40 of 2017 provides for allocation of shared personnel and other relevant costs between R&D and normal operations using reasonable methods such as actual hours. Unallocated shared costs are not eligible for the additional deduction. Shared equipment also needs usage records and a reasonable allocation basis. The 60% in this example must come from activity records, not from working backwards from the incentive amount the business hopes to claim.

Commissioned research, government grants and sales of products made from materials used in R&D can involve additional rules that require separate review. This example does not fold those circumstances into a simple time calculation or assume that all expenditure incurred by an R&D department is eligible.

A failed experiment does not automatically disqualify the cost

Mr Zhou suggests deleting the two unsuccessful designs and retaining only the final version. Ms Lin recommends keeping the original records: which target was missed, what happened and why the team moved to the third approach. Announcement No. 40 of 2017 expressly recognises expenditure on failed R&D activities as eligible under the rules. Failure to reach production does not automatically invalidate genuine, qualifying research carried out earlier.

Ordinary production scrap or a customer complaint loss does not become eligible simply by being labelled failed research. The activity, cost category and evidence still matter. Failure records explain the research process; they do not give unrelated losses a new classification.

The final claim should be possible to reconstruct

After review, RMB 200,000 of the initial RMB 700,000 relates to routine activities and other amounts outside the additional-deduction basis. The final qualifying base is RMB 500,000. That amount should be traceable from the calculation to the supporting ledger and then to payroll, material issues and test records. Outstanding matters belong on a separate list. A promise to supply evidence later is not a basis for including an uncertain amount now.

The company claims on the basis of actual expenditure, assesses its own eligibility, reports the claim and retains supporting records for review. It prepares the return and evidence required by the applicable rules. The technical lead confirms what happened, finance checks the costs and policy, and management coordinates missing records. Reviewing project changes, time and significant inputs each month is usually more reliable than reconstructing a year from memory.

Take away three distinctions. A project name does not establish that the activity is R&D. Accounting R&D expense is not automatically the eligible tax amount. A correct percentage still needs a base that can be traced. Connect the real research to its costs first, and the company can explain where the number on its return came from.