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AIFMD II Deadlines in Luxembourg
Filing calendar for CSSF reporting — 2026
Time Until Enforcement
2026-04-16
Transposition Status
Transposed
Luxembourg transposed AIFMD II via amendments to the 2013 AIFM Law. CSSF circulars provide detailed implementation guidance. The eFile portal has been updated.
Filing Calendar
Quarterly
Q2 2026
Large/leveraged AIFMs: 30 days after quarter-end
2026-07-30
YesSemi-Annual
H1 2026
Mid-sized AIFMs: 45 days after period-end
2026-08-14
YesQuarterly
Q3 2026
Ongoing quarterly cycle
2026-10-30
Quarterly
Q4 2026
Year-end quarterly filing
2027-01-30
Annual
FY 2026
Small AIFMs: 30 days after year-end (CSSF-specific)
2027-01-30
YesCSSF Contact
- Website
- https://www.cssf.lu
- direction@cssf.lu
- Phone
- +352 26 251-1
What to Do Now
- 1.Obtain or renew your CSSF eFile digital certificate
- 2.Map your funds to CSSF S-type/O-type classification codes
- 3.Prepare supplementary investor composition report templates
- 4.Test ZIP archive generation with manifest XML for eFile upload
- 5.Review CSSF circular letters for updated filing requirements
- 6.Set up corrective amendment workflows (5-day turnaround required)
Related Resources
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