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1 min readBlockingEIOPA taxonomy 2.10.0Updated 11 November 2026

Risk concentration - exposure to counterparties: double, trailing or leading whitespaces are not allowed (S.37.01, EIOPA rule TV19)

A blocking check on the risk concentration - exposure to counterparties template (S.37.01), in the quarterly solo (QRS), quarterly group (QRG), quarterly branch (QRB), annual solo (ARS), annual group (ARG), annual branch (ARB), financial stability solo (QFS), financial stability group (QFG) and financial stability branch (QFB) 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 rule

The rule in plain words

Double, trailing or leading whitespaces are not allowed

This is a blocking check. A return that fails it is normally rejected, so fix it before you submit.

The cells it reads

Risk concentration - exposure to counterparties: risk concentration - exposure to counteparties (S.37.01.04.01)

Columns

  • C0010Name of the external counterparty
  • C0040Country
  • C0045Name of the group (in case of group of counterparties)
  • C0080Rating
  • C0090Nominated ECAI
  • C0100Sector
  • C0110Entity of the group
  • C0150Total amount of the exposure
  • C0160Currency
  • C0180Equity
  • C0190Bonds
  • C0200Assets whose risks are mainly borne by the policyholders
  • C0210Derivatives
  • C0220Other investments
  • C0230Loans and mortgages
  • C0240Guarantees and Commitments
  • C0250Insurance policies
  • C0260External reinsurance
  • C0270Others direct exposures
  • C0280Description of others
  • C0290Indirect exposures
  • C0300Transactions where there is an exposure to underlying assets
  • C0310Credit or insurance risk mitigation technique
  • C0320Exemptions
  • C0330Amount of the exposures after Credit or insurance risk mitigation technique and exemptions

Which returns it applies to

Line4 Check runs it on quarterly solo (QRS), quarterly group (QRG), quarterly branch (QRB), annual solo (ARS), annual group (ARG), annual branch (ARB), financial stability solo (QFS), financial stability group (QFG) and financial stability branch (QFB) 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:YF]},[s2c_dim:YF]), "((^\s)|(\s\s)|(\s$))+"))

Every Solvency II rule on S.37.01

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.