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1 min readBlockingEBA reporting framework 4.2Updated 10 November 2026

Common equity tier 1 capital must equal total risk exposure amount times CET1 capital ratio (EBA rule v0218_m)

A blocking check in the own funds and capital requirements return (COREP own funds), on templates C 01.00, capital adequacy - own funds definition, C 02.00.a, capital adequacy - risk exposure amounts and C 03.00, capital adequacy - ratios.

Check your file against this ruleWhat to do if it fails

The rule in plain words

Common equity tier 1 capital must equal total risk exposure amount times CET1 capital ratio.

How the Line4 Check report words itShow

Word for word as the report shows it when the rule fails.

C_01.00: COMMON EQUITY TIER 1 CAPITAL = C_02.00.A: TOTAL RISK EXPOSURE AMOUNT, TREA × C_03.00: CET1 Capital ratio

What to do if your filing fails it

  1. 01Open the templates below and find the cells the rule reads.
  2. 02Work out both sides from your file, as the rule in plain words sets out, and compare them.
  3. 03EBA allows a small rounding difference, worked out from the decimals each value is reported with.
  4. 04It runs only when your filing indicators mark C 01.00, C 03.00 and C 02.00 as reported.
  5. 05This is a blocking check. A filing that fails it is normally rejected, so fix it before you submit.

The cells it reads

Capital adequacy - own funds definition (C 01.00)

Row

  • 0020COMMON EQUITY TIER 1 CAPITAL

Column

  • 0010Amount

Capital adequacy - risk exposure amounts (C 02.00.a)

Row

  • 0010TOTAL RISK EXPOSURE AMOUNT

Column

  • 0010TREA

Capital adequacy - ratios (C 03.00)

Row

  • 0010CET1 Capital ratio

Column

  • 0010Amount
Show the rule as writtenShow

EBA's formula. Cells are written as {template, row, column, sheet}.

{C_01.00,r0020,c0010,} = {C_02.00.a,r0010,c0010,} * {C_03.00,r0010,c0010,}

Every COREP own funds rule, by template

Checks like this one, run at the point of submission, are the first step to real-time supervision.