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In forcePayment and e-money institutions: national reporting (national)Last checked 13 November 2026

Large customer exposures (MU)

A regulatory return listed by the Finanssivalvonta (Financial Supervisory Authority, Finland) (FIN-FSA), Finland.

A national semi-annual return on large customer exposures, under FIN-FSA regulations and guidelines 8/2016, chapter 8.4.2. Source

The facts

Who files
Authorised payment institutions, and persons providing payment services without authorisation. Source
How often
Semi-annually, as at 30 June and 31 December. Source
Deadline
28 February, 31 August. Source
Format
Other. Filed through the Reporter Portal. Source
How it is filed
Filing routes recorded for the FIN-FSA: Reporter Portal (Raportoijan portaali) and Validation Service; MiFIR transaction reporting (SFTP); Secure email. See how firms file with the FIN-FSA.
Status
In force
Legal basis
Group
Payment and e-money institutions: national reporting (national)

Templates (1)

The tables and forms inside the return. Plain name first, the FIN-FSA's code in brackets.

  • Large customer exposures (MU03)

MU covers large customer exposures under regulation 8/2016, chapter 8.4.2. Source

Validation rules

No published validation rules were found for this return. No published list of validation rules for MU was found on the pages read. Source

Public data

No published data from this return was found. No data from this return published by FIN-FSA was found on the pages checked. Source

Official documents (4)

The FIN-FSA's own files, with the size and SHA-256 fingerprint of each as downloaded on 13 November 2026, so anyone can tell whether a copy is the same version.

Sources

Every page and document this return's facts were read from.

Knowing exactly what is collected, in what format and under which rules is the first step to real-time supervision. Line4 builds SupTech software for financial regulators that runs checks like these as each return arrives.

Line4's text and records here are free to reuse under CC BY 4.0. Please credit: “Source: Line4 regulatory submissions library (CC BY 4.0), https://www.line4.ai”. The regulators' documents, forms, taxonomies, rules and data belong to them: see FIN-FSA's reuse terms. This describes what regulators publish. It is not legal or regulatory advice: always rely on the regulator's own text.

Source: Finanssivalvonta (Financial Supervisory Authority, FIN-FSA), https://www.finanssivalvonta.fi

Last checked 13 November 2026.