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In forceCredit institutions: capital adequacy (EU, EBA)Last checked 13 November 2026

Fundamental Review of the Trading Book (COREPFRTB)

A regulatory return listed by the Finanstilsynet (Financial Supervisory Authority of Norway), Norway.

Market risk reporting under the new Alternative Standardised Approach (MKR-ASA) for market risk. Source

The facts

Who files
Banks and credit institutions in a financial group that is not an insurance group. All firms file form C 90.00 (thresholds); form C 91.00 depends on threshold values. Source
How often
Quarterly. Source
Deadline
Q1: 12 May. Q2: 11 August. Q3: 11 November. Q4: 11 February. Source
Format
xBRL-CSV, XBRL-XML. Filed through e-Reg, Finanstilsynet's reporting portal rolled out during 2026, as an XBRL-CSV zip file from reference date 31 March 2026. Before that, filed as XBRL-XML through Altinn KRT forms, which are no longer available for new periods; corrections to periods before 2026 Q1 use form KRT-3090 in Altinn instead. Source
How it is filed
Filing routes recorded for the Finanstilsynet: e-Reg (e-Regulatory); Altinn; Transaction Reporting System (TRS). See how firms file with the Finanstilsynet.
Status
In force
Legal basis
Group
Credit institutions: capital adequacy (EU, EBA)

Templates (0)

The library lists no templates for this return.

EU return: the templates and instructions are defined by the EBA. See the library's EBA entry eba/corep-frtb (docs/eba/corep-frtb.md). Norwegian firms use the EBA's templates and taxonomy. Reporting requirements under the new market risk framework are being extended gradually. Source

Validation rules

The Finanstilsynet publishes the checks it runs on this return. They could not be counted from the published material. Software can run them exactly as published. Source

How they are written: EBA validation rules and filing rules, as applied by e-Reg.

How they were counted

Not counted here: the EBA's validation rules apply (see eba/corep-frtb).

Counts are in the Finanstilsynet's own unit, so they are not comparable with other regulators' counts.

Public data

No published data from this return was found. No data from this return published by Finanstilsynet was found on the pages checked. Source

Official documents (2)

The Finanstilsynet'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.

  • Bankar (rapportering)

    List of returns · HTML

  • CRR Teknisk losning

    Guidance · HTML

    Finanstilsynet's own XBRL filing manuals for CRD/CRR reporting, EUCLID (Finanstilsynet forwards all CRD/CRR data to the EBA), and the move to XBRL-CSV and e-Reg from reference date 2026-03-31.

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 Finanstilsynet's reuse terms. This describes what regulators publish. It is not legal or regulatory advice: always rely on the regulator's own text.

Last checked 13 November 2026.