1 min readBlockingBank of England taxonomy 2.2.0Updated 11 November 2026

The "Total" value reported in Own funds should be equal to the same item for "Tier 2" (IR.23.01, Bank of England rule IR_bv0538_02)

A blocking check on the own funds template (IR.23.01), in the quarterly group (QRG) and annual group (ARG) returns.

The rule in plain words

The "Total" value reported in Own funds (IR.23.01.04.01) should be equal to the same item for "Tier 2"

What to do if your return fails it

  1. 01Open the table below and find the cells the rule reads.
  2. 02The two values must be the same. Find which of the two is right, and correct the other one.
  3. 03It runs only when your filing indicators mark IR.23.01 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

Own funds (IR.23.01.04.01)

Rows

  • R0300Unpaid and uncalled ordinary share capital callable on demand
  • R0310Unpaid and uncalled initial funds, members' contributions or the equivalent basic own fund item for mutual and mutual - type undertakings, callable on demand
  • R0340Letters of credit and guarantees
  • R0360Supplementary members calls

Columns

  • C0010Total
  • C0040Tier 2

Which returns it applies to

Line4 Check runs it on quarterly group (QRG) and annual group (ARG) returns on Bank of England taxonomy 2.2.0. The Bank of England applies it to quarterly group (QRG) and annual group (ARG) returns, as a blocking check.

The Bank’s own words and formula

In the Bank of England’s list of validations, word for word:

The "Total" value reported in IR.23.01.04.01 - Own funds should be equal to the same item for "Tier 2".
Show the formulaShow

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

{t: IR.23.01.04.01, c: C0010, z: Z0001} = {t: IR.23.01.04.01, c: C0040, z: Z0001}

Every Solvency UK rule on IR.23.01

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.