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2 min readWarningBank of England banking taxonomy 4.1.1Updated 11 November 2026

PRA110. HQLA and usable liquidity. Overnight and higher maturity. Significant Currencies: a total must equal the sum of its parts (CL66.02.01.07, CL66.02.01.01, Bank of England check boe_b2052_99_m)

A warning on the PRA110. HQLA and usable liquidity. Overnight and higher maturity. Significant Currencies (CL66.02.01.07) and PRA110. Overnight and higher maturity. Significant Currencies (CL66.02.01.01) templates, in the liquidity pillar II (PRA110) return.

Line4 Check does not run it on the liquidity pillar II (PRA110) return. Not compiled, as no cell matches what they read. It reads a value that matches no cell of the return’s templates, so Line4 could not compile it.

Check your PRA110 returnWhat to do if it fails

Line4 Check does not run this check yet, so the button checks your return against the Bank's other checks for it. The validation run when you submit includes this one.

The rule in plain words

In PRA110. HQLA and usable liquidity. Overnight and higher maturity. Significant Currencies (CL66.02.01.07): "Total Usable Liquidity Resources" in column "Greater than 2 months up to 3 months" (row 7420, column 140) must equal the sum of "Cash" in column "Greater than 2 months up to 3 months" (row 7380, column 140) and "Outflows which can be met by posting securities (Total)" in column "Greater than 2 months up to 3 months" (row 7240, column 140) in PRA110. Overnight and higher maturity. Significant Currencies (CL66.02.01.01).

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 tables below and find the cells the rule reads.
  2. 02Add up the parts in your return and compare the result with the total.
  3. 03If they differ, a part is missing, a value sits in the wrong cell, or the total is out of date.
  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

PRA110. Overnight and higher maturity. Significant Currencies (CL66.02.01.01)

Row

  • R7240Outflows which can be met by posting securities (Total)

Column

  • C140Greater than 2 months up to 3 months

PRA110. HQLA and usable liquidity. Overnight and higher maturity. Significant Currencies (CL66.02.01.07)

Rows

  • R7380Cash
  • R7420Total Usable Liquidity Resources

Column

  • C140Greater than 2 months up to 3 months

Which returns it applies to

It is an active check of the Bank's for the liquidity pillar II (PRA110) return on Bank of England banking taxonomy 4.1.1. Line4 Check does not run it yet, for the reason above. The Bank of England applies it to liquidity pillar II (PRA110) returns, as a warning.

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:

boe_b2052_99_m: T1: CL66.02.01.07; T2: CL66.02.01.01; Expression: {CL66.02.01.07, r7420, c140} = {CL66.02.01.07, r7380, c140} + {CL66.02.01.01, r7240, c140}
Show the formulaShow

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

{t: CL66.02.01.07, r: 7420, c: 140} = {t: CL66.02.01.07, r: 7380, c: 140} + {t: CL66.02.01.01, r: 7240, c: 140}

Every PRA banking rule on CL66.02.01.07

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.