Rule catalogue · Coverage and demand

Substitute staff are not used to fill a pattern roster

Breaking it fills a pattern roster with substitution staff instead of the people the pattern is built around.

Applies: when the month's roster is built
Enforcement: Hard or soft, set per organisation
Who sets it: An administrator in your instance
Family: Coverage and demand
Roster style: rotation (chunk/pattern)

configuredCompiled from the product source on 12 September 2026

What coverage and demand rules protect

The demand side of the problem. These rules make sure every required slot is filled and, just as importantly, that people are not assigned to shifts nobody asked for. The second half is easy to forget and expensive: an over-staffed morning is a cost, and it is also a person who could have been resting or covering a genuine gap somewhere else.

Other rules in this family

Shifts beyond the staffing requirement are still filled
Every required shift gets someone assigned to it
Staff should not be assigned to shifts that are not required
Flexible shifts only become types they may convert to
A flexible shift takes its first-choice conversion target
Pattern rosters fill the blocks beyond the requirement too
Every block of a pattern roster gets an owner
Only people actually available go on position

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