The facts

Who files: Depositaries. Source
How often: Bi-annually, with the half-yearly and annual audited accounts; the reporting interval is advised to each depositary. Source
Deadline: Within 4 months of firm year end and within 2 months of firm half year end. Source
Format: XBRL-XML. An XBRL file for entry point mcr_d of the Central Bank of Ireland Taxonomy, uploaded on the Portal with bank statements; an Excel structure template (MRD) is also published. Source
How it is filed: Filing routes recorded for the CBI: Central Bank of Ireland Portal (formerly the Online Reporting System, ONR); MiFIR transaction reporting Machine to Machine channel; Online Reporting System (ONR), now linked as 'Credit Union Auditor Reporting'; Email to the Central Bank. See how firms file with the CBI.
Status: In force
Group: Fund service providers: financial and capital returns (national)

Templates (9)

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

Basic information (CR_00.01)
Initial capital requirement (MRD_01.00)
Own funds requirement for operational risk (MRD_02.00)
Minimum capital requirement (higher of A and B) (MRD_03.00)
Own funds (MRD_04.00)
Eligible assets (held outside the group) (MRD_05.00)
Compliance test (MRD_06.00)
Note on qualifying subordinated loan capital (MRD_07.00)
Relevant indicator calculation for depositaries (MRD_08.00)

Tables of entry point mcr_d (module version 2025-05-01) in Central Bank of Ireland Taxonomy 2.4. Source

Validation rules

73 rules, as counted from the CBI's published material. Software can run them exactly as published. Source

How they are written: XBRL Formula assertions in the Central Bank of Ireland Taxonomy package (val folder of each framework), plus an Excel list of every rule with its expression, severity and modules.

The rules, on centralbank.ie

How they were counted

Rule codes in sheet 'cbicr' of 'CBI 2.4 Business rules.xlsx' whose 'Severity and modules' column names mcr_d, with Include in XBRL = yes and Deactivated = no (73 of 73).

Counts are in the CBI'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 the Central Bank was found on the pages checked. Source

Official documents (9)

The CBI'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.

Reporting Requirements for Depositaries
List of returns · HTML
Depositary Reporting Requirements
List of returns · PDF · 245.6 KB
Depositary Regulatory Reporting Requirements: every return with its frequency and deadline.
SHA-256 4d9e25f6cddashow in fullhide
4d9e25f6cdda2111fac3c32220d134a8c374e442ac5cd91d46d3951a306eb364
MRD Structure Template
Template · XLSX · 62.5 KB
Minimum Capital Requirements Report for Depositaries, with relevant indicator calculation, data validation and rule validation sheets.
SHA-256 69c6185ca3bfshow in fullhide
69c6185ca3bf1883fda71fa13718a5257f6381c465dfc006801c1b6016a07344
Fund Service Providers Overview (Central Bank of Ireland Taxonomy releases)
Taxonomy · HTML
Publishes each version of the Central Bank of Ireland XBRL Taxonomy (2.0 to 2.4) with business rules and sample files, and says which returns each version added.
Central Bank of Ireland Taxonomy 2.4
Taxonomy · ZIP · 14.5 MB
Full package: entry points for FINREP+ (finrep_plus_ind, finrep_plus_con), PIMD, MMR, AUMD, ICAAP, capital requirements (cas, mcr, mcr_d, mcr_mgr, ofr, dao), asset disclosures (acd, qad), the annual outsourcing return (aor), related party lending (rplr), and payment and e-money institution returns (pia, eia), with annotated templates and a data dictionary.
SHA-256 d681f2a9f461show in fullhide
d681f2a9f461bfbfa35440b40876d235f8d3871e0824535857d6c306dbe7fdf0
CBI 2.4 Business rules
Validation rules · XLSX · 169.7 KB
One sheet per framework; each rule has its expression, Include in XBRL and Deactivated flags, and the modules it applies to.
SHA-256 b68dafe2798fshow in fullhide
b68dafe2798f23e8ed1a80fc5c928267753e6dbb62cd90f7d83a1a718e63993d
Deactivated Validation Rules 2.4
Known issues · XLSX · 13.7 KB
27 rule numbers currently deactivated, by framework.
SHA-256 4b3d18cc9833show in fullhide
4b3d18cc983336ecb968fb6ee2f1645a0a193762db09330a9de6dc86b5464339
Sample Files 2.4
Sample · ZIP · 15.3 KB
SHA-256 9e08cd227e58show in fullhide
9e08cd227e58d4be4383a42b4f1f1812f623e706d1377783276e146e8d6952ab
Central Bank Taxonomy Xbrl File Upload Guidance
Filing rules · PDF · 2.2 MB
FINREP+ and PIMD tables, file naming (for example C123456_20210331_FINREP_P_AAA.xbrl), filing indicators, validation and the variance analysis on FP 01.01 to FP 02.00 (explanation needed for variances of 20% or more).
SHA-256 3e89ed242180show in fullhide
3e89ed242180c53c94df8c12cb4ce43f93340abde33c3d7cc65eeaa3f0c39397

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

Contains Irish Public Sector Information from the Central Bank of Ireland (https://www.centralbank.ie), copyright Central Bank of Ireland, re-used under the Bank's licence for re-use of public sector information (https://www.centralbank.ie/fns/re-use-of-public-sector-information). This library summarises it in plain English and links the originals; the Central Bank of Ireland does not endorse this library.

Last checked 11 November 2026.

Minimum capital requirement report, depositaries (MCR Depositary)