2 min readWarningEIOPA taxonomy 2.10.0Updated 11 November 2026

Balance sheet and 2 other templates: a conditional check (S.02.01, S.25.01, S.25.05, EIOPA rule BV1063)

A warning on the balance sheet (S.02.01), solvency capital requirement - for undertakings on standard formula (S.25.01) and solvency capital requirement - for undertakings using an internal model (partial or full) (S.25.05) templates, in the annual solo (ARS) and annual branch (ARB) returns.

It applies to 2.8.2 returns too, the release for the 2026 returns, and Line4 Check runs it there as well.

The rule in plain words

The item "DTL" reported in Solvency Capital Requirement - for undertakings using an internal model (partial or full) (S.25.05) should be equal to "Deferred tax liabilities" reported in Balance sheet (S.02.01)

The headline gives only the template and the kind of check, because the rule is too long to say in a headline. The plain words above say all of it.

EIOPA writes it out as separate checks, one for each table or return it covers. Line4 Check runs two of them (BV1063-6 and BV1063-8), and a failure names the one that failed.

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. 03EIOPA allows a small rounding difference, worked out from the decimals each value is reported with.
  4. 04It runs only when your filing indicators mark S.02.01 and S.25.05 as reported.
  5. 05This 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

Balance sheet (S.02.01.01.01)

Row

  • R0780Deferred tax liabilities

Column

  • C0010Solvency II value

Balance sheet (S.02.01.07.01)

Row

  • R0780Deferred tax liabilities

Column

  • C0010Solvency II value

Solvency capital requirement - for undertakings on standard formula: approach to tax rate (S.25.01.01.03)

Row

  • R0590Approach based on average tax rate

Column

  • C0109Yes/No

Solvency capital requirement - for undertakings on standard formula: calculation of loss absorbing capacity of deferred taxes (S.25.01.01.04)

Row

  • R0630DTL

Column

  • C0110Before the shock

Solvency capital requirement - for undertakings using an internal model (partial or full): approach to tax rate (S.25.05.01.03)

Row

  • R0590Approach based on average tax rate

Column

  • C0109Yes/No

Solvency capital requirement - for undertakings using an internal model (partial or full): calculation of loss absorbing capacity of deferred taxes (S.25.05.01.04)

Row

  • R0630DTL

Column

  • C0110Before the shock

Which returns it applies to

Line4 Check runs it on annual solo (ARS) and annual branch (ARB) returns on EIOPA taxonomy 2.10.0. EIOPA applies it to annual branch (ARB) and annual solo (ARS) returns, as a warning.

EIOPA’s own words and formula

In EIOPA’s list of validations, word for word:

The item "DTL" reported in S.25.05 - Solvency Capital Requirement - for undertakings using an internal model (partial or full) should be equal to "Deferred tax liabilities" reported in S.02.01 - Balance sheet.
Show the formulaShow

EIOPA's formula, for BV1063-8. Cells are written as {t: table, r: row, c: column}.

if ({t: S.25.05.01.03, r: R0590, c: C0109} != [s2c_AP:x77]) then {t: S.25.05.01.04, r: R0630, c: C0110, z: Z0001} = {t: S.02.01.01.01, r: R0780, c: C0010} else true()

BV1063-6:

if ({t: S.25.05.01.03, r: R0590, c: C0109} != [s2c_AP:x77]) then {t: S.25.05.01.04, r: R0630, c: C0110, z: Z0001} = {t: S.02.01.07.01, r: R0780, c: C0010} else true()

Every Solvency II rule on S.02.01

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.