Processes, procedures & operating systems · Core

Maker-checker

Also called: four-eyes principle

ELI5

A control separating preparation from independent review or approval.

Used in conversation

“The number is useful only if everyone calculates maker-checker the same way.”

Pitch context

You will see “Maker-checker” in operating plans, procurement packs, supplier reviews and supply-chain reports when the discussion reaches processes, procedures & operating systems.

Why it matters: In processes, procedures & operating systems, the definition can change ownership, capacity, process, cost or safety decisions.

Sources & evidence · 3

Direct term-level sources and supporting source families.