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1 min readBlockingBank of England taxonomy 2.2.0Updated 11 November 2026

Outwards reinsurance balance sheet exposures: for each reported Reinsurer Code in C0040, then every column, except C0210, is mandatory (IR.31.01, Bank of England rule IR_bv0057)

A blocking check on the outwards reinsurance balance sheet exposures template (IR.31.01), in the annual solo (ARS) and annual third-country branch (ARB) returns.

Check your file for this rule

The rule in plain words

For each reported Reinsurer Code in C0040, then every column, except C0210, is mandatory

This is a blocking check. A return that fails it is normally rejected, so fix it before you submit. It runs only when your filing indicators mark IR.31.01 as reported.

The cells it reads

Outwards reinsurance balance sheet exposures (IR.31.01.01.01)

Columns

  • C0060Reinsurance recoverables: Premium provision Non-life including Non-SLT Health
  • C0070Reinsurance recoverables: Provision for claims outstanding Non-life including Non-SLT Health
  • C0080Reinsurance recoverables: Technical provisions Life including SLT Health
  • C0090Adjustment for expected losses due to counterparty default
  • C0100Reinsurance recoverables: Total reinsurance recoverables
  • C0110Net receivables
  • C0120Asset arrangements as collateral to support the reinsurer exposure
  • C0130Financial guarantees as collateral to support the reinsurer exposure
  • C0140Cash deposits
  • C0150Total guarantees / collateral in place
  • C0160Reinsurance receivables - Non-life and life claims debts past due
  • C0170Reinsurance receivable - Non-life and life Commissions and Premiums debts
  • C0180Reinsurance recoverables in dispute
  • C0190Reinsurance recoverables written-off
  • C0200The reinsurer’s share of premiums written

Which returns it applies to

Line4 Check runs it on annual solo (ARS) and annual third-country branch (ARB) returns on Bank of England taxonomy 2.2.0. The Bank of England applies it to annual third-country branch (ARB) and annual solo (ARS) returns, as a blocking check.

The Bank’s own words and formula

The plain words above are the Bank of England’s own, word for word, from its list of validations.

Show the formulaShow

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

count({t: IR.31.01.01.01, c: C0060; C0070; C0080; C0090; C0100; C0110; C0120; C0130; C0140; C0150; C0160; C0170; C0180; C0190; C0200, z: Z0001}) = 15

Every Solvency UK rule on IR.31.01

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.