GENERAL LEGAL PRINCIPLES; WAIVER – By Contract/Zipper Clauses/Management Rights Clauses
Single Topic for Decision 1201S
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1402.03000 – By Contract/Zipper Clauses/Management Rights Clauses
MOU clearly sets out procedures for employee trading of monthly and daily shifts. The plain meaning of the agreement that shifts cannot be traded without supervisor approval is not superseded by the past practice of allowing employees to internally arrange their own shifts. Cites Marysville Joint Unified School District (1983) PERB Decision No. 314; p. 3, warning letter.