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1 min readBlockingEIOPA taxonomy 2.10.0Updated 11 November 2026

Collective investment undertakings - look-through approach: double, trailing or leading whitespaces are not allowed (S.06.03, EIOPA rule TV5)

A blocking check on the collective investment undertakings - look-through approach template (S.06.03), in the quarterly solo (QRS), quarterly group (QRG) and quarterly branch (QRB) returns.

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

Check your file for this ruleWhat to do if it fails

The rule in plain words

Double, trailing or leading whitespaces are not allowed

What to do if your return fails it

  1. 01Open the tables below and find the cells the rule reads.
  2. 02Compare the code or text in your return with the format the rule sets out, character by character, including any prefix and any spaces.
  3. 03This is a blocking check. A return that fails it is normally rejected, so fix it before you submit.

The cells it reads

Collective investment undertakings - look-through approach (S.06.03.01.01)

Columns

  • C0030Underlying asset category
  • C0040Country of issue
  • C0050Currency
  • C0060Total amount

Collective investment undertakings - look-through approach (S.06.03.04.01)

Columns

  • C0030Underlying asset category
  • C0040Country of issue
  • C0050Currency
  • C0060Total amount

Which returns it applies to

Line4 Check runs it on quarterly solo (QRS), quarterly group (QRG) and quarterly branch (QRB) returns on EIOPA taxonomy 2.10.0. EIOPA applies it to quarterly ECB branch (QEB), quarterly ECB solo (QES), annual branch (ARB), annual solo (ARS), financial stability group (QFG), quarterly group (QRG), financial stability solo (QFS), financial stability branch (QFB), quarterly branch (QRB), quarterly solo (QRS), annual ECB solo (AES), annual ECB branch (AEB) and annual group (ARG) returns, as a blocking check.

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}.

not(matches(dim({d: [s2c_dim:XE]},[s2c_dim:XE]), "((^\s)|(\s\s)|(\s$))+"))

Every Solvency II rule on S.06.03

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.