2 min read · EBA reporting framework 4.2 · Updated 10 November 2026
Every validation rule in the 42 EBA returns Line4 Check covers, from reporting framework 4.2, in plain words: 6,929 rule codes. Search for the code in your rejection message, read what the rule means and what to do, then check your file against it in your browser.
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Each return lists its rules by template, with how many can block a filing.
EBA marks each rule as blocking or a warning. A filing that fails a blocking rule is normally rejected. These 292 are the blocking rules Line4 Check runs.
Every page is written from EBA's own rule, with the row, column and sheet names of EBA's templates. Nothing is guessed: where a rule cannot be put simply, the page says what it checks and shows EBA's formula.
“The rule in plain words” is built from the rule itself: what all its cells share is said once, then the rows, columns or sheets EBA checks it for. EBA writes many rules out once per row, column or sheet; each rule code has one page. The report's own wording is folded away under it, so you can match a failure to its page word for word.
Checks like this one, run at the point of submission, are the first step to real-time supervision.