Rule catalogue · Allowances and overtime

A swap cannot use a shift whose allowance was paid

Breaking it exchanges a shift whose granted allowance has already been drawn down, so pay and roster stop agreeing.

Applies: when someone asks to exchange a shift
Enforcement: Hard: never broken
Who sets it: Fixed in the product
Family: Allowances and overtime
Roster style: published baseline (shift exchange)

verifiedCompiled from the product source on 12 September 2026

What allowances and overtime rules protect

Overtime is not free and banked hours are a liability the organisation carries. These rules keep the roster inside the overtime the unit has agreed to, respect what an individual has already accumulated, and stop the solver from solving a coverage problem by quietly creating a payroll one. This family is where rostering and payroll stop being separate conversations.

Other rules in this family

A swap cannot use a work-request shift already paid out
A swap cannot use an extended shift already paid out
A swap cannot use a shift whose instructor pay was drawn
A swap cannot push anyone past their overtime limit
A swap of banked-hours shifts needs the hours to cover it

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