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Compliance6 min read

How SOKA-BAU Holiday Pay Works for Posted Construction Workers in Germany

Understand SOKA-BAU compliance for posted construction workers in Germany, covering holiday pay rates, registration deadlines, and tax ID requirements.

Written by Evroproces d.o.o.

Key takeaways

  • Posted construction workers in Germany earn one day of paid leave for every 12 employment days.
  • Effective July 1, 2026, the SOKA-BAU employer contribution rate is 14.7% of the gross German wage.
  • Employers must submit SOKA-BAU monthly declarations by the 15th and pay contributions by the 28th.
  • Workers must provide a German Tax Identification Number to receive direct holiday pay payouts from SOKA-BAU.
  • Unused leave payouts are paid at 12.50% of the gross wage and are subject to a 21.1% tax withholding.
01

Understanding German Holiday Pay for Posted Workers

Under German law, posted workers are legally entitled to paid annual leave and holiday remuneration while working on construction sites in Germany. This entitlement ensures that cross-border personnel receive the same basic labor protections as local German workers. Because construction sites operate on temporary project-based schedules, tracking and securing these holiday benefits requires a centralized system.

To manage this process, holiday payments in the mainstream German construction sector are administered by SOKA-BAU, which stands for Urlaubs- und Lohnausgleichskasse der Bauwirtschaft. This institution acts as a clearing house, collecting contributions from employers and ensuring that workers can claim their paid leave regardless of how often they move between individual projects.

02

The SOKA-BAU Compliance Framework and Contribution Rates

SOKA-BAU operates based on the universally binding collective labor agreement on social funds in the construction industry (VTV) and the German Posted Workers Act (AEntG). These legal structures establish a level playing field for all market participants. The compliance scheme applies to both German employers and foreign-domiciled employers who post workers to German construction sites. Temporary employment agencies supplying workers to construction firms are also legally required to participate in this holiday fund procedure.

Effective July 1, 2026, the employer contribution rate for the SOKA-BAU paid leave scheme has fallen to 14.7% of the gross wage, down from the previous 15.1%. An application for its general binding status was submitted to the Federal Ministry of Labour and Social Affairs to finalize this adjustment. Employers must calculate this contribution based on the exact wages paid for work performed on German territory.

It is important to note that contributions are calculated solely on the gross wage earned for work actually performed in Germany. Any wages paid for work in the home country, such as Poland, are exempt from this calculation. Keeping precise records of hours worked in Germany versus the home country is therefore critical to avoiding overpayments.

03

Calculating Leave Days and Holiday Remuneration

Posted workers earn exactly one day of paid leave for every 12 employment days in Germany. This rate of accumulation equates to 30 paid leave days per full year, which is based on 360 employment days. The calculation of employment days is comprehensive, including Saturdays, Sundays, and public holidays, provided the employment relationship exists during those periods. However, a maximum of 14 unpaid days per month may count toward this total.

When a worker takes holiday during their posting, the employer pays them a holiday remuneration equal to 14.25% of their gross German wage. Once this payment is made to the employee, SOKA-BAU reimburses the employer for the cost.

Reimbursement is not automatic. SOKA-BAU only reimburses the employer if there are no outstanding contribution arrears on the account and all monthly reports have been submitted. If an employer falls behind on payments or reporting, the funds are held until the account is fully compliant.

04

Steps for Monthly SOKA-BAU Reporting and Payments

To maintain compliance and ensure eligibility for reimbursements, employers must follow a strict monthly timeline for reporting and transferring funds. This requires coordination between payroll staff and site managers.

  1. Submit the monthly SOKA-BAU declaration online via the registration portal by the 15th day of the month following the work period.
  2. Calculate the total gross German wages for the reported month to determine the required contribution.
  3. Pay the monthly contribution to SOKA-BAU by the 28th day of the month following the work period.

Failure to meet these deadlines leads to account arrears, which immediately halts any pending reimbursement claims for holiday pay.

05

Claiming Pay in Lieu of Leave and Tax ID Requirements

If a worker has unused leave remaining when their German posting ends, they can claim 'pay in lieu of leave', known as Abgeltung, directly from SOKA-BAU. This claim can only be made once the worker has not worked on a German construction site for at least 3 months. If a worker's leave entitlements forfeit because they were not used by the end of the following calendar year, they can apply to SOKA-BAU for 'compensation', or Entschädigung, within one year of that forfeiture.

For both pay in lieu of leave and compensation, the payout rate is 12.50% of the gross wage earned in Germany, rather than the 14.25% paid for active vacation days taken during the posting.

To receive pay in lieu of leave or compensation, workers must provide a German Tax Identification Number. Without a valid German TIN, SOKA-BAU is legally blocked from making any payouts to the worker. This German TIN must be applied for at the German tax office, known as the Finanzamt, using German form 010250 or English form 010251.

Employers can apply for the German TIN on behalf of their posted workers if they are provided with an informal authorization. The specific German tax office responsible for issuing the TIN depends on the country where the worker's home employer is based. For pay in lieu of leave, SOKA-BAU is legally required to withhold a lump sum of 20% for income tax plus a 1.1% solidarity surcharge, paying it directly to the tax office in Wiesbaden.

06

Exempt Trades and Transferable Leave Entitlements

Not all businesses operating on a construction site fall under the SOKA-BAU mandate. Certain trades like glazing, plumbing, and electrical installation are generally exempt from SOKA-BAU. However, this exemption does not apply if the workers perform specific tasks classified as core construction work, such as drywalling, bricklaying, or plastering. The actual duties performed on site determine compliance obligations, not the official business registration.

For workers who remain in the construction sector, the system offers high flexibility. If a posted worker changes to another construction company during their posting, they do not lose their accumulated leave. They can transfer both the days and the money to their new employer, ensuring their accrued benefits remain intact across different projects.

07

Managing SOKA-BAU Compliance Moving Forward

Due to a major internal system change, SOKA-BAU applications submitted from January 2026 onwards experienced significant processing and payout delays. Both employers and workers must prepare for longer processing times and ensure that all submissions are error-free to avoid further administrative bottlenecks.

To prevent delays, employers must consistently submit accurate monthly declarations, pay contributions on time, and secure German TINs for their workers early in the posting period. Proper record-keeping is the only way to guarantee smooth holiday pay operations and timely reimbursements.

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