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

Every value in the cells it covers must be zero or more (SR22.02.04.01, Bank of England check boe_v3971_s)

A blocking check on the intragroup financial reporting (detailed breakdown) Asset management, custody and other service functions Part 2: Assets involved in the services provided template (SR22.02.04.01), in the intragroup financial reporting (core and detailed breakdowns) (RFB004) return.

Line4 Check runs it on the intragroup financial reporting (core and detailed breakdowns) (RFB004) return, proven on test files, check by check: the same outcome on all eight test files of that return.

The rule in plain words

In Intragroup financial reporting (detailed breakdown) Asset management, custody and other service functions Part 2: Assets involved in the services provided (SR22.02.04.01): every value in the cells it covers must be zero or more.

What to do if your return fails it

  1. 01Open the table 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 SR22.02.04 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

Intragroup financial reporting (detailed breakdown) Asset management, custody and other service functions Part 2: Assets involved in the services provided (SR22.02.04.01)

Rows

  • R0010Asset management [by type of customer]
  • R0020Collective investment
  • R0030Pension funds
  • R0040Customer portfolios managed on a discretionary basis
  • R0050Other investment vehicles
  • R0060Custody assets [by type of customer]
  • R0070Collective investment
  • R0080Other
  • R0090Of which: entrusted to other entities
  • R0100Central administrative services for collective investment
  • R0110Fiduciary transactions
  • R0120Payment services
  • R0130Customer resources distributed but not managed [by type of product]
  • R0140Collective investment
  • R0150Insurance products
  • R0160Other

Column

  • C0010Amount of the assets involved in the services provided to other group entities

Which returns it applies to

Line4 Check runs it on the intragroup financial reporting (core and detailed breakdowns) (RFB004) return on Bank of England banking taxonomy 4.1.1. The Bank of England applies it to intragroup financial reporting (core and detailed breakdowns) (RFB004) 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:

boe_v3971_s: T1: SR22.02.04.01; rows: {SR22.02.04.01, r0010-0160}; columns: {SR22.02.04.01, c0010}; Expression: {SR22.02.04.01} >= 0
Show the formulaShow

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

{t: SR22.02.04.01} >= 0

Where it applies, in the Bank's words (its scope):

scope({t: SR22.02.04.01, r: 0010; 0020; 0030; 0040; 0050; 0060; 0070; 0080; 0090; 0100; 0110; 0120; 0130; 0140; 0150; 0160, c: 0010, seq: False, f: banking, fv: structural_reform})

Every PRA banking rule on SR22.02.04.01

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.