Corrections Policy

What a useful report contains

• Tool name and page address.
• Inputs, selected units or options, and the displayed result.
• Expected result and the calculation or official source supporting it.
• Browser and device details when the issue appears interface-specific.

Review procedure

• Reproduce the result in the current build.
• Compare implementation, formula, units, rounding, and data tables with the cited primary source.
• Correct code, tests, page explanation, applicability label, and review date as needed.
• Re-run the complete automated and browser validation suite.

Material corrections

A material correction is one that can change a decision, safety interpretation, regulatory meaning, or commonly entered result. Material issues take priority over cosmetic improvements.