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Rule catalogue · Shift patterns

Nobody works two pattern blocks on the same day

Breaking it assigns the same person two pattern blocks covering one calendar day, which cannot actually be worked.

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

configuredCompiled from the product source on 12 September 2026

What shift patterns rules protect

Many units roster on a repeating pattern, and the pattern itself encodes decades of accumulated practice about what sequences are survivable. These rules keep a generated roster inside the shape the unit actually works, including the direction of rotation, which affects fatigue more than most people outside operations expect. Where a unit rosters without a pattern, this family is largely switched off, which is itself a configuration choice.