1 min readBlockingBank of England banking taxonomy 4.1.1Updated 11 November 2026

Prudent valuation: model risk AVA (PRUVAL 3): every value in 8 columns must be zero or more (C32.03.01.01, Bank of England check v7300_s)

A blocking check on the prudent valuation: model risk AVA (PRUVAL 3) template (C32.03.01.01), in the own funds (PRA001) return.

Line4 Check runs it on the own funds (PRA001) return, proven on test files, check by check: the same outcome on all three test files of that return.

The rule in plain words

In Prudent valuation: model risk AVA (PRUVAL 3) (C32.03.01.01): every value in 8 columns (listed below) must be zero or more.

What to do if your return fails it

  1. 01Open the table below and find the cells the rule reads.
  2. 02Look for a value below zero in these cells, such as an amount entered as a negative number.
  3. 03It runs only when your filing indicators mark C32.03.01 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

Prudent valuation: model risk AVA (PRUVAL 3) (C32.03.01.01)

Columns

  • C0050Model risk AVA
  • C0060of which: using expert based approach
  • C0070of which: aggregated using method 2
  • C0080Aggregated AVA calculated under method 2
  • C0090Fair Valued assets
  • C0100Fair Valued liabilities
  • C0130Model risk
  • C0140Early termination

Which returns it applies to

Line4 Check runs it on the own funds (PRA001) return on Bank of England banking taxonomy 4.1.1. The Bank of England applies it to own funds (PRA001) returns, as a blocking check.

The Bank’s own words and formula

The plain words above spell out the Bank’s formula, with each cell named from its templates. In the Bank of England’s list of validations, word for word:

v7300_s: [C32.03.01.01 (All rows, c0050;0060;0070;0080;0090;0100;0130;0140)] {C32.03.01.01} >= 0
Show the formulaShow

The Bank of England's formula. Cells are written as {t: table, r: row, c: column}.

{t: C32.03.01.01, c: 0050; 0060; 0070; 0080; 0090; 0100; 0130; 0140} >= 0

Every PRA banking rule on C32.03.01.01

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.