2 min readBlockingBank of England banking taxonomy 4.1.1Updated 11 November 2026

Capital adequacy - capital ratios (CA3): every value in 9 rows in column "Amount" must be zero or more (C03.00.01.01, SC03.00.01.01, Bank of England check v3687_s)

A blocking check on the capital adequacy - capital ratios (CA3) (C03.00.01.01) and capital adequacy - capital ratios and capital levels for SDDTs (CA3 SDDT) (SC03.00.01.01) templates, in the own funds (PRA001) and own funds for SDDTs (PRA116) returns.

Line4 Check runs it on the own funds (PRA001) and own funds for SDDTs (PRA116) returns, proven on test files, check by check: the same outcome on all six test files of those returns.

The rule in plain words

In Capital adequacy - capital ratios (CA3) (C03.00.01.01): every value in 9 rows (listed below) in column "Amount" (column 0010) must be zero or more.

What to do if your return fails it

  1. 01Open the tables below and find the cells the rule reads.
  2. 02Look for a value below zero in these cells, such as an amount entered as a negative number.
  3. 03It runs only when your filing indicators mark C03.00.01 as reported.
  4. 04This is a blocking check. A return that fails it is normally rejected, so fix it before you submit.

The cells it reads

Capital adequacy - capital ratios (CA3) (C03.00.01.01)

Rows

  • R0130Total SREP capital requirement ratio (TSCR)
  • R0140TSCR: to be made up of CET1 capital1080
  • R0150TSCR: to be made up of Tier 1
  • R0160Overall capital requirement ratio (OCR)
  • R0170OCR: to be made up of CET1 capital
  • R0180OCR: to be made up of Tier 1
  • R0190OCR and Pillar 2 Guidance (P2G)
  • R0200OCR and P2G: to be made up of CET1 capital
  • R0210OCR and P2G: to be made up of Tier 1 capital

Column

  • C0010Amount

Capital adequacy - capital ratios and capital levels for SDDTs (CA3 SDDT) (SC03.00.01.01)

Rows

  • R0130Total capital requirement (TCR) ratio
  • R0140TCR: to be made up of CET1 capital
  • R0150TCR: to be made up of Tier 1 capital
  • R0160Overall capital requirement ratio (OCR)
  • R0170OCR: to be made up of CET1 capital
  • R0180OCR: to be made up of Tier 1
  • R0190OCR and SCB ratio
  • R0200OCR and SCB: to be made up of CET1 capital
  • R0210OCR and SCB: to be made up of Tier 1 capital

Column

  • C0010Amount

Which returns it applies to

Line4 Check runs it on the own funds (PRA001) and own funds for SDDTs (PRA116) returns on Bank of England banking taxonomy 4.1.1. The Bank of England applies it to own funds for SDDTs (PRA116) and own funds (PRA001) returns, as a blocking check.

The Bank’s own words and formula

The plain words above spell out the Bank’s formula, with each cell named from its templates. In the Bank of England’s list of validations, word for word:

v3687_s: [C03.00.01.01 (r0130;0140;0150;0160;0170;0180;0190;0200;0210, c0010)] {C03.00.01.01} >= 0
Show the formulaShow

The Bank of England's formula. Cells are written as {t: table, r: row, c: column}.

{t: C03.00.01.01, r: 0130; 0140; 0150; 0160; 0170; 0180; 0190; 0200; 0210, c: 0010} >= 0

Every PRA banking rule on C03.00.01.01

Checks like this one, run at the point of submission, are the first step to real-time supervision. Line4 builds SupTech software for financial regulators that runs checks like these as each return arrives.