Countercyclical Buffer Rate for Q2 2026
Summary
The CSSF issued Regulation No. 26-01 setting the countercyclical buffer (CCyB) rate applicable to credit institutions and investment firms for the second quarter of 2026. The regulation was published on 31 March 2026 and references the official Luxembourg legal journal. Regulated entities should verify the applicable CCyB rate for their Q2 2026 capital calculations.
What changed
The CSSF has set the countercyclical buffer rate for Q2 2026 through Regulation No. 26-01, published on 31 March 2026. This macroprudential tool applies to credit institutions and investment firms operating in Luxembourg. The regulation is available in French through the Luxembourg legal database (data.legilux.public.lu).
Compliance officers at affected institutions should verify the applicable CCyB rate and ensure capital calculations for Q2 2026 reflect the updated buffer requirement. No specific compliance deadline or penalty information is provided in the summary; institutions should consult the full French text for complete operational requirements.
What to do next
- Verify the applicable CCyB rate for Q2 2026 from CSSF Regulation No. 26-01
- Update capital adequacy calculations to reflect the new buffer rate for Q2 2026
- Review internal compliance procedures for macroprudential capital requirements
Source document (simplified)
Published on 31 March 2026 CSSF regulation
CSSF Regulation No 26-01 of 31 March 2026 (only in French)
on the setting of the countercyclical buffer rate for the second quarter of 2026
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