Payroll
I Forgot to Register an Employee – What Now?
· 3 min read

The most important thing is to act immediately. Late registration can be rectified, but delay increases both interest on late payments and the risk of a fine — and in the meantime, the employee is not properly insured.
Short answer
IT DEPENDS
The situation can be resolved without fatal consequences if you submit the registration immediately and pay the outstanding contributions. It only becomes serious if the delay lasts for months or if the employee fell ill or had a workplace accident in the meantime.
Quick take
- Submit the registration immediately with the actual start date, not a retrospectively modified one.
- Pay the outstanding social security and health insurance contributions, including late-payment interest for the period of delay.
- Check whether the error has also affected payroll records and statutory monthly reports.
- Document the error — demonstrating prompt rectification helps significantly during an audit.
Step 1: Submit the registration immediately
State the actual start date of employment. Backdating or shifting the date is a more serious offence than the delay itself and will be uncovered during an audit by cross-referencing payroll records and the employment contract. The same procedure applies to the relevant health insurance company, where an employee must be registered within 8 days of starting work, or from the date insurance participation arises under work agreements (DPČ/DPP).
Step 2: Pay outstanding contributions and late-payment interest
For the period during which the employee was not registered but was working, insurance liability arose. Pay the outstanding amount together with late-payment interest (penále). The relevant authority will confirm the exact balance due. The sooner you make the payment, the lower the final interest amount will be.
Step 3: Correct related statutory documents
Check the employee's payroll sheet (mzdový list), pension insurance record sheet (ELDP), monthly overview reports, and any previously submitted statutory forms. If wages were paid without the correct deductions, make the correction in the next payroll period.
What sanctions realistically apply
Both ČSSZ (Czech Social Security Administration) / OSSZ (District Social Security Administration) and health insurance companies can impose fines for failure to meet statutory reporting obligations; the amount depends on the severity and duration of the delay. In addition, late-payment interest accrues on unpaid contributions. However, the greatest risk remains the lack of active insurance coverage in the event of an occupational injury or illness — the employer may then be held directly liable for compensation and medical costs.
What to do now
- 1Submit the registration with the actual start date today.
- 2Request a calculation of outstanding contributions and late-payment interest, and settle the payment.
- 3Correct payroll records and check other employees on the same type of contract.
- 4Set up a control checkpoint: employee registration is submitted concurrently with the signing of the employment contract.
When to call an accountant
If the delay exceeds one payroll period, affects multiple employees, or if an illness or accident occurred during the intervening period.
Frequently asked questions
- Can I register an employee retrospectively?
- Yes, registration is submitted with the actual start date. Retrospective submission is common; it merely incurs late-payment interest on the contributions.
- Is a fine automatically imposed?
- No, imposing a fine is discretionary. Swift rectification and active cooperation with the authority have a fundamental impact on the outcome.
- Do I also need to report this to the tax office?
- If personal income tax advance withholdings were calculated incorrectly, you correct this in the next payroll run or in the annual tax reconciliation.
Sources
Author: FinTaxo expert team
Operated by: Zaklipso s.r.o.
Information valid as of: 17 August 2026
Czech original: read this article in Czech
This article is general information and does not replace individual tax, accounting or legal advice. Czech legislation changes frequently — verify the current wording or discuss your situation with us before acting on it.
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