GENERAL LEGAL PRINCIPLES; WAIVER – By Acquiescence/Conduct
Single Topic for Decision 0201E
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1402.04000 – By Acquiescence/Conduct
Waiver not shown simply because Union did not bargain before July 1 - date District believed it had to act to implement proposed change. Mutual agreement to postpone negotiations until after the July 1 date does not constitute waiver. District did not show "demonstrative behavior [by Union] waiving a reasonable opportunity to bargain over a decision not already firmly made by the employer;" p. 8.