Trust, sources & methodology

Corrections Policy

How changing rules and reported errors are reviewed, corrected, dated, and propagated through connected tools and reference pages.

Reviewed 19 August 2026

A changed rule or calculation issue should be corrected at the underlying source record, then propagated to every connected page and tool.

What to report

Send the LearnWithShery URL, the statement or result you believe is wrong, and preferably the current official source. We distinguish normal policy changes from editorial errors and preserve effective dates where they matter.