A mid-sized IT services company based in Warsaw discovered, mid-project, that two employees had submitted maternity leave notifications within the same month. The HR team had no documented procedure in place. Payroll deadlines were approaching, and the company's German parent was asking questions about compliance exposure. The situation was manageable – but only if the right steps were taken immediately.

Polish labour law grants employees a mandatory 20-week maternity leave, followed by an optional 32-week parental leave period. Employers must notify the Social Insurance Institution (Zakład Ubezpieczeń Społecznych, ZUS) and adjust payroll within strict deadlines. Failure to comply triggers personal liability of management and exposes the company to ZUS surcharges and employment tribunal claims.

This case study walks through the background, the compliance strategy we applied, and the lessons that apply to any employer operating in Poland – whether a domestic business or a foreign-owned subsidiary managing a Polish workforce for the first time.

What was the background to the compliance gap?

The Warsaw IT company employed around 80 people, including several on umowa o pracę (employment contracts) and a smaller cohort on fixed-term arrangements. When two employees notified HR of pregnancy simultaneously, the company had no internal policy covering leave sequencing, ZUS notification timelines, or payroll handover. The National Labour Inspectorate (Państwowa Inspekcja Pracy, PIP) had recently intensified audits of tech-sector employers, adding urgency to the situation.

The HR director had assumed that ZUS handled benefit payments automatically. That assumption was incorrect. The employer remained responsible for submitting documentation to ZUS within 7 days of the leave commencement date. Missing that window risked delayed benefit payments to employees and potential PIP findings of non-compliance. The German parent's compliance team, operating under different assumptions about social insurance administration, had not flagged the gap during the prior-year audit.

A secondary issue involved one employee who held a non-EU work permit. Her entitlement to maternity and parental leave under Polish labour law is identical to that of Polish nationals – but her ZUS registration required a separate verification step. This is a detail that often surprises foreign investors unfamiliar with Polish employment administration. We had previously addressed a comparable scenario for a Dutch-owned subsidiary, as discussed in our guide on global mobility and relocating employees to Poland from the Netherlands.

  • Maternity leave: 20 weeks, mandatory, commences on the birth date
  • Parental leave: 32 weeks, optional, may be split between both parents
  • Paternity leave: 2 weeks, separate entitlement, father only
  • ZUS notification: employer must file within 7 days of leave start
  • Employment protection: dismissal prohibition runs through the full leave period

How did we structure the compliance response?

Our first step was a payroll and documentation audit covering both employees. Under Polish labour law, the employer calculates and initially pays maternity benefit from its own funds, then recovers the amount from ZUS through monthly contribution offsets. Getting this sequence wrong – for example, delaying the ZUS filing while withholding salary – creates a dual exposure: the employee can bring a claim before the labour court, and ZUS can assess a surcharge. The surcharge rate can reach 100% of the unpaid benefit amount.

We prepared ZUS documentation for both employees within 5 days of engagement, meeting the 7-day statutory window. For the employee holding a work permit, we verified her registration status in the ZUS system and confirmed continuity of cover. A work permit Poland holder who is correctly registered with ZUS has full access to maternity and parental benefits – the permit category (whether a standard work permit or an EU Blue Card) does not affect the substantive entitlement, though it does affect the administrative verification path.

We also drafted an internal leave policy for the company, covering notification procedures, payroll calculation methodology, and the process for employees who wish to return to work early from parental leave. Early return requires the employee's written request submitted at least 21 days in advance. Employers who ignore a timely request and fail to reinstate the employee to an equivalent position face claims before the labour court – an irreversible reputational and financial consequence that forfeits the goodwill of the returning employee entirely.

Our team secured correct ZUS benefit processing for both employees, avoiding any surcharge exposure, for this Warsaw-based IT client in winter 2026. A comparable documentation review we conducted for a manufacturing client in the Mazowieckie region (autumn 2025) identified three separate ZUS filing errors that, left uncorrected, would have generated surcharges exceeding PLN 40,000.

What are the transferable lessons for Polish employers?

The core lesson is procedural: maternity and parental leave compliance in Poland is employer-driven, not ZUS-driven. The institution does not prompt the employer. It processes what it receives. An employment lawyer Warsaw-based clients consult after a ZUS audit has already begun is working under time pressure that could have been avoided entirely with a documented internal procedure.

Foreign investors face an additional layer of complexity. Slovak, Dutch, and German parent companies often assume that social insurance administration in Poland mirrors their home-country model. It does not. For context on how Slovak-owned businesses have encountered similar gaps, see our analysis of employment law compliance for Slovak companies in Poland. The differences are structural, not marginal.

A second lesson concerns whistleblower protection. Under Polish whistleblower law, an employee who reports a compliance failure – including a failure to process maternity benefit correctly – enjoys protected status from the moment the report is made. An employer who takes any adverse action against that employee, including restructuring their role during leave, faces claims under both the whistleblower Poland framework and the Labour Code simultaneously. The combination is difficult to defend.

A third lesson applies to IP-intensive businesses. Parental leave does not suspend intellectual property assignment obligations or confidentiality agreements. Employers in the tech and creative sectors sometimes overlook this when an employee on leave continues working informally. For a broader look at how IP protection intersects with employment arrangements, our note on IP protection strategy for Polish tech companies addresses the overlap directly.

A practical self-assessment checklist for employers:

  • Does your HR policy document the 7-day ZUS notification deadline?
  • Is your payroll team trained to calculate maternity benefit before ZUS offset?
  • Have you verified ZUS registration status for all non-EU permit holders?
  • Does your leave policy address early return requests and reinstatement obligations?

Specific situations require specific analysis. If your company is managing a maternity or parental leave notification now – and particularly if a work permit holder or foreign-owned structure is involved – the window for error-free compliance is short. Delays that seem administrative quickly become irreversible once a ZUS audit or labour tribunal claim is filed.

To receive an expert assessment of your company's maternity and parental leave compliance position, contact info@kordeckipartners.com.

Frequently asked questions

Q: Can an employer require an employee to return from parental leave early?

A: No. The decision to return early rests entirely with the employee. The employee must submit a written request at least 21 days before the intended return date. The employer is obliged to reinstate the employee to the same or an equivalent position with no reduction in pay. Refusing a valid request exposes the employer to labour court claims and potential PIP sanctions.

Q: Does a work permit affect entitlement to maternity or parental leave in Poland?

A: No. An employee holding a standard work permit or an EU Blue Card and employed under a Polish employment contract has the same statutory entitlement as a Polish national. The permit category affects ZUS registration verification steps, but does not alter the substantive leave rights or benefit amounts. Employers should verify ZUS registration continuity at the point of leave notification, not after.

Q: How quickly must an employer act after receiving a maternity leave notification?

A: The employer must file the relevant ZUS documentation within 7 days of the leave commencement date. In practice, preparation should begin immediately on receipt of the employee's notification. Payroll must be adjusted for the benefit calculation and offset cycle. Waiting until the payroll run date is too late and risks both delayed employee payments and ZUS surcharges of up to 100% of the benefit amount.

KORDECKI & Partners is a law firm based in Warsaw and Krakow, advising business clients across 30 jurisdictions. Our team combines expertise in Polish and international law with a practical approach to employment compliance, global mobility, and workforce management. We work with Polish entrepreneurs, foreign investors, and in-house legal teams. To discuss your situation, contact info@kordeckipartners.com.

Disclaimer: This publication is provided for informational purposes only and does not constitute legal advice. The information herein should not be relied upon as a substitute for professional legal counsel tailored to your specific circumstances. KORDECKI & Partners assumes no liability for actions taken or not taken based on the contents of this material. For advice regarding your particular situation, please contact info@kordeckipartners.com.