Circular CSSF 25/871

CSSF Introduces Monthly Reporting Update (Circular 25/871)

What is it?
Circular CSSF 25/871, published on 7 February 2025, updates the existing monthly reporting framework (Circular CSSF 15/627) for Luxembourg investment vehicles. The key change: the annex that covers detailed reporting requirements is now published separately on the CSSF.

Which fund types are impacted?
This applies to all Luxembourg-domiciled investment funds, including:

• UCITS

• Part II UCIs

• SIFs (Specialised Investment Funds)

• SICARs (Investment Companies in Risk Capital)

What’s new?

• The annex containing specific reporting details is now maintained as a standalone document on the CSSF site, making it easier to access and update without revisiting the full circular.

Why it matters:

• More flexible updates: With the annex separate, CSSF can revise technical details—like formats or data fields—without reissuing the whole circular.

• Improved clarity: Managers can more easily locate and review reporting templates and guidance.