California Code
ARTICLE 4 - Rights, Obligations, Prohibitions, and Unfair Practices
Section 3543.7.

3543.7. The duty to meet and negotiate in good faith requires the parties to begin negotiations prior to the adoption of the final budget for the ensuing year sufficiently in advance of such adoption date so that there is adequate time for agreement to be reached, or for the resolution of an impasse.

(Added by Stats. 1975, Ch. 961.)