1 min readWarningEIOPA taxonomy 2.10.0Updated 11 November 2026

Internal model - non-life and health NSLT underwriting risk: a conditional check (S.26.13, EIOPA rule BV1853)

A warning on the internal model - non-life and health NSLT underwriting risk template (S.26.13), in the annual solo (ARS), annual group (ARG) 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

If "Significant other perils" reported in S.26.13.01.14 Distribution of losses from Catastrophe Perils - Significant other perils is "No" then "Description of other perils" should be empty

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.

What to do if your return fails it

  1. 01Open the table 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. 03It runs only when your filing indicators mark S.26.13 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

Internal model - non-life and health NSLT underwriting risk: distribution of losses from catastrophe perils - significant other perils (S.26.13.01.14)

Rows

  • R2030Significant other perils
  • R2040Description of other perils

Column

  • C0440Significant other perils data

Which returns it applies to

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

EIOPA’s own words and formula

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

Show the formulaShow

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

if {t: S.26.13.01.14, r: R2030, c: C0440, z: Z0001} = [s2c_RT:x257] then isNull({t: S.26.13.01.14, r: R2040, c: C0440, z: Z0001}) else true()

Every Solvency II rule on S.26.13

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.