The amount of 'Total repo activity - gross repo (period average)' must be higher than or equal to zero (LV50.00.00.01, Bank of England check boe_b0052)

The rule in plain words

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 LV50.00.00 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 the contingent leverage (LVR002) return on Bank of England banking taxonomy 4.1.1. The Bank of England applies it to contingent leverage (LVR002) returns, as a blocking check.

The Bank’s own words and formula

The first paragraph of the plain words above is the Bank of England’s own, word for word, from its list of validations. The second spells out its formula, with each cell named from its templates.

Other rules on (LR7) Treatment of repurchase transactions (LV50.00.00.01)

Every PRA banking rule on LV50.00.00.01

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.