Czech Republic: Proposed changes to R&D allowances

Effective January 1, 2026

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September 5, 2025

The proposed new law associated with the Single Monthly Employer includes substantial revisions to the allowances for research and development (R&D) effective on January 1, 2026:

  • Increase of the allowance to 150% of R&D expenses up to a group-wide CZK 50 million limit, and 100% R&D allowance for expenses over that limit
  • Extension of the period for claiming an R&D allowance from three to five years, and repeal of the rule allowing postponement of the allowance if it cannot be claimed due to a low tax base or a tax loss

The Senate returned the new law associated with the Single Monthly Employer to the Chamber of Deputies with amending proposals at the end of July. It is expected to be promulgated in the Collection of Laws in late September/early October 2025.

Read a September 2025 report prepared by the KPMG member firm in the Czech Republic

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