The item "Maximum loss under unwinding event" in Open Derivatives should be reported for credit derivatives (CIC ##F#) (IR.08.01, Bank of England rule IR_bv0535_02)

The rule in plain words

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. 03It runs only when your filing indicators mark IR.08.01 as reported.
4. 04This is a blocking check. A return that fails it is normally rejected, so fix it before you submit.

The cells it reads

Which returns it applies to

Line4 Check runs it on quarterly group (QRG) and annual group (ARG) returns on Bank of England taxonomy 2.2.0. The Bank of England applies it to quarterly group (QRG) and annual group (ARG) returns, as a blocking check.

The Bank’s own words and formula

In the Bank of England’s list of validations, word for word:

The item "Maximum loss under unwinding event" in IR.08.01 - Open Derivatives should be reported for credit derivatives (CIC ##F#).

Other rules on Open derivatives (IR.08.01)

Every Solvency UK rule on IR.08.01

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.