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In forceSolvency UK: internal model firmsLast checked 11 November 2026

Quarterly internal model changes (QMC.01)

A regulatory return listed by the Bank of England (PRA), insurers, United Kingdom.

Lists each minor and major change a firm made during the quarter to its internal model (its own approved model for calculating the SCR), one row per change, with supporting narrative that explains each change. The PRA uses quarterly model change reporting as one of its tools to monitor model drift (SS15/16 paragraph 2.2). Source

Official title: Template QMC.01 - Quarterly model change

The facts

Who files
Firms using an internal model (Reporting Chapter 2A, Article 6(3)). Source
How often
Quarterly. Source
Deadline
No later than 55 business days after the end of each quarter of the firm's financial year (Reporting 2.5B(3)). Source
Format
Excel. The PRA publishes QMC.01 as an Excel template, to be sent with supporting narrative documentation. It is not an entry point in the Bank of England Insurance Taxonomy. The pages checked do not state the BEEDS return type used. Source
How it is filed
Filing routes recorded for the PRA: BEEDS (Bank of England Electronic Data Submission portal); Email to the Bank's insurance data mailbox. See how firms file with the PRA.
Status
In force
Legal basis
Group
Solvency UK: internal model firms

Templates (1)

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

  • Quarterly model change (QMC.01.01)

Sheet name and title in the Excel template. Source

Validation rules

No published validation rules were found for this return. Source

Public data

No published data from this return was found. No published data from this return was found on the Bank of England statistics pages checked (insurance aggregate data, annual and quarterly). Source

Official documents (5)

The PRA's own files, with the size and SHA-256 fingerprint of each as downloaded on 11 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.

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Last checked 11 November 2026.