Line4

1 min readBlockingBank of England taxonomy 2.2.0Updated 11 November 2026

Each asset reported in List of Assets with CIC '##4#' should also be reported in Collective investment undertakings - look-through approach (IR.06.02, IR.06.03, Bank of England rule IR_bv0549_01)

A blocking check on the list of assets (IR.06.02) and collective investment undertakings - look-through approach (IR.06.03) templates, in the quarterly solo (QRS) and annual solo (ARS) returns.

Check your file for this ruleWhat to do if it fails

The rule in plain words

Each asset reported in List of Assets (IR.06.02) with CIC '##4#' should also be reported in Collective investment undertakings - look-through approach (IR.06.03)

What to do if your return fails it

  1. 01Open the tables below and find the cells the rule reads.
  2. 02The check applies only when its first part holds in your return. When it does, the second part must hold too: fix the second part, or correct the first.
  3. 03It runs only when your filing indicators mark IR.06.02 and IR.06.03 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

List of assets - information on positions held (IR.06.02.01.01)

Column

  • C0100Asset pledged as collateral

List of assets - information on assets (IR.06.02.01.02)

Column

  • C0290CIC

Collective investment undertakings - look-through approach (IR.06.03.01.01)

Column

  • C0030Underlying asset category

Which returns it applies to

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

The Bank’s own words and formula

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

Each asset reported in IR.06.02 - List of Assets with CIC '##4#' should also be reported in IR.06.03 - Collective investment undertakings - look-through approach.
Show the formulaShow

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

if (not(isNull({t: IR.06.02.01.01, c: C0100, z: Z0001})) and isNull({t: IR.06.03.01.01, c: C0030, z: Z0001})) then false() else true()

Every Solvency UK rule on IR.06.02

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.