An employee loan in Estonia is not solved by signing a contract and booking a receivable. The tax question returns on every interest due date. If the employee or board member pays less than the documented market rate, the difference is a fringe benefit even when the principal will be repaid in full. A zero-interest loan can therefore produce payroll taxes while no cash interest reaches the company.
In practice, the cleanest file connects five items: the approval, loan agreement, bank payment, interest calculation and repayment ledger. This guide follows that file from the first transfer to TSD Annex 4. The worked example uses a EUR 12,000 interest-free loan with monthly interest dates. It is a tax illustration, not a recommendation to lend on those terms.
Identify the borrower and fix the terms before payment
For fringe-benefit purposes, § 48 of the Income Tax Act covers employees as well as members of a management or controlling body. That means a loan to a board member is not outside the rule merely because the person has no employment contract. First record who approved the related-party transaction and why the company may make it.
The agreement should state the principal, currency, transfer date, repayment schedule, interest rate, interest calculation basis, due dates, security and what happens after a late payment. Use an actual bank transfer and a separate loan receivable account. A shareholder lending money to the company is the opposite direction and does not create this employee-loan fringe benefit.
Test the interest rate on each contractual due date
EMTA’s loan guidance compares the contractual rate with the market rate at the moment interest is due. If a comparable market rate is below twice the European Central Bank main refinancing reference, the lower supported market rate may be used. If the comparable market rate is higher, charging at least the doubled official reference prevents a fringe benefit under this safe-harbour test.
The published reference changes on 1 January and 1 July. For interest due from 1 July to 31 December 2026, the doubled benchmark is 4.80% a year (2 × 2.40%). Do not hard-code it into a multi-year schedule: save the rate and source used for every due date. If the agreement creates no interest-payment obligation during the year, the annual test is made no later than December under the statutory default rule.
- Document a comparable market rate when relying on a rate below the doubled benchmark.
- Calculate the difference only for the period and outstanding principal covered by that due date.
- Update the schedule after every repayment, drawdown or contract amendment.
Calculate the tax on a EUR 12,000 interest-free loan
Assume the company advances EUR 12,000 on 1 September 2026. The agreement charges 0% and makes interest due monthly. For September, the company uses the 4.80% annual benchmark and has no evidence that a lower market rate applies. The monthly fringe benefit is EUR 12,000 × 4.80% ÷ 12 = EUR 48.00.
Income tax is EUR 48.00 × 22/78 = EUR 13.54. Social tax is 33% of the benefit plus income tax: (EUR 48.00 + EUR 13.54) × 33% = EUR 20.31. Total employer tax is EUR 33.85 for that month. This follows the ordinary fringe-benefit method described in EMTA’s fringe-benefit guidance; rounding should follow the return and accounting settings.
| September 2026 calculation | Formula | Amount |
|---|---|---|
| Interest shortfall / fringe benefit | EUR 12,000 × 4.80% ÷ 12 | EUR 48.00 |
| Income tax | EUR 48.00 × 22/78 | EUR 13.54 |
| Social tax | (EUR 48.00 + EUR 13.54) × 33% | EUR 20.31 |
| Employer taxes | EUR 13.54 + EUR 20.31 | EUR 33.85 |
Link TSD Annex 4 to the loan ledger
In TSD Annex 4, code 4060 carries the taxable benefit, code 4061 the market-rate interest and code 4062 the interest actually paid. EMTA’s declaration example shows the same logic with a historic rate. File and pay by the 10th day of the following month. The declaration month follows the interest due date, not the date when the accountant happens to review the agreement.
Reconcile the opening principal, new drawdowns, repayments and closing principal every month. A missed repayment does not by itself turn the full principal into a fringe benefit, but a waiver or disguised transfer is a separate tax event and needs its own analysis. Close the receivable only when the bank evidence and board-approved settlement agree with the ledger.
- Update the outstanding principal and interest due for the period.
- Save the benchmark or market-rate evidence and calculate the shortfall.
- Post the fringe benefit and taxes, then complete TSD Annex 4 codes 4060–4062.
- Reconcile the following bank repayment to principal and contractual interest separately.
I treat the interest due date as a monthly control point. The contract, rate evidence, calculation and TSD entry should tell the same story. A year-end spreadsheet cannot safely repair a loan ledger that ignored repayments and changing reference rates during the year.
A company loan is manageable when its terms are commercial, approved in advance and reconciled through repayment. The recurring risk is the gap between the documented market rate and the interest actually charged. Measure that gap when interest falls due and declare it without waiting for year-end.
If your company is considering a loan to an employee or board member, send the draft terms through the AccRes contact form before the first transfer.