Line4

1 min readBlockingBank of England taxonomy 2.2.0Updated 11 November 2026

Life technical provisions: technical provisions = gross best estimate + risk margin - TMTP (IR.12.01, IR.12.03, IR.02.02, Bank of England rule IR_bv0258_01)

A blocking check on the life technical provisions (IR.12.01), life best estimate liabilities by country (IR.12.03) and assets and liabilities by currency (IR.02.02) templates, in the annual solo (ARS) and annual third-country branch (ARB) returns.

Check your file for this rule

The rule in plain words

Technical provisions = gross best estimate + risk margin - TMTP

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.12.01 as reported.

The cells it reads

Assets and liabilities by currency: all currencies (IR.02.02.01.01)

Row

  • R0120Technical provisions - index-linked and unit-linked contracts

Column

  • C0020Total value of all currencies

Life technical provisions (IR.12.01.01.01)

Rows

  • R0030Gross Best Estimate
  • R0100Risk Margin
  • R0180Transitional Measure on Technical Provisions
  • R0200Technical provisions - total

Columns

  • C0010Insurance with profit participation
  • C0020Index-linked and unit-linked insurance
  • C0030Life annuities
  • C0040Non-life annuities
  • C0050Other life insurance
  • C0060Health insurance
  • C0070Total life and health

Life best estimate liabilities by country (IR.12.03.01.01)

Row

  • R0030Gross Best Estimate

Columns

  • C0010Insurance with profit participation
  • C0020Index-linked and unit-linked insurance
  • C0030Life annuities
  • C0040Non-life annuities
  • C0050Other life insurance
  • C0060Health insurance
  • C0070Total life and health

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}.

{t: IR.12.01.01.01, r: R0200} = sum({t: IR.12.01.01.01, r: R0030; R0100}) - {t: IR.12.01.01.01, r: R0180}

Every Solvency UK rule on IR.12.01

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.