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

Part 3: Hedging Own Risk (articles 6(1) and 6(2)): every value in the cells it covers must be zero or more (SR808.01.08.03, Bank of England check boe_b1074_s)

A warning on the part 3: Hedging Own Risk (articles 6(1) and 6(2)) template (SR808.01.08.03), in the excluded activities and prohibitions (RFB008) return.

Line4 Check runs it on the excluded activities and prohibitions (RFB008) return, proven on test files, check by check: the same outcome on all eight test files of that return.

Check your file for this ruleWhat to do if it fails

The rule in plain words

In Part 3: Hedging Own Risk (articles 6(1) and 6(2)) (SR808.01.08.03): 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 SR808.01.08 as reported.
  4. 04This is a warning. It does not stop the return on its own, but your supervisor may ask you to explain it.

The cells it reads

Part 3: Hedging Own Risk (articles 6(1) and 6(2)) (SR808.01.08.03)

Rows

  • R060Transactions to hedge changes in interest rates - Non Derivatives
  • R070Transactions to hedge changes in interest rates - Derivatives
  • R080Transactions to hedge changes in exchange rates - Non Derivatives
  • R090Transactions to hedge changes in exchange rates - Derivatives
  • R100Transactions to hedge changes in commodity prices - Non Derivatives
  • R110Transactions to hedge changes in commodity prices - Derivatives
  • R120Transactions to hedge changes in any index of retail prices - Non Derivatives
  • R130Transactions to hedge changes in any index of retail prices - Derivatives
  • R140Transactions to hedge changes in any index of residential property prices - Non Derivatives
  • R150Transactions to hedge changes in any index of residential property prices - Derivatives
  • R160Transactions to hedge changes in any index of commercial property prices - Non Derivatives
  • R170Transactions to hedge changes in any index of commercial property prices - Derivatives
  • R180Transactions to hedge changes in any index of price of shares - Non Derivatives
  • R190Transactions to hedge changes in any index of price of shares - Derivatives
  • R200Transactions to hedge default risk - Non Derivatives
  • R210Transactions to hedge default risk - Derivatives
  • R220Other transactions - Non Derivatives
  • R230Other transactions - Derivatives

Columns

  • C010Current period
  • C020Current period
  • C030Financial assets
  • C040Financial liabilities

Which returns it applies to

Line4 Check runs it on the excluded activities and prohibitions (RFB008) return on Bank of England banking taxonomy 4.1.1. The Bank of England applies it to excluded activities and prohibitions (RFB008) returns, as a warning.

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_b1074_s: T1: SR808.01.08.03; rows: {SR808.01.08.03, r060-230}; columns: {SR808.01.08.03, c010-040}; Expression: {SR808.01.08.03} >= 0
Show the formulaShow

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

{t: SR808.01.08.03} >= 0

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

scope({t: SR808.01.08.03, r: 060; 070; 080; 090; 100; 110; 120; 130; 140; 150; 160; 170; 180; 190; 200; 210; 220; 230, c: 010; 020; 030; 040, seq: False, f: banking, fv: structural_reform})

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.