California Code, Education Code - EDC § 8297

Not later than 95 days after the governing board of a public agency sets the date a person employed by that board shall begin service in a position requiring a children's center instructional permit or a children's center supervision permit, that person shall file, on or before that date, with the county superintendent of schools a valid permit issued on or before that date, authorizing the person to serve in a position for which the person was employed.  Upon renewal of that permit, that person shall file that renewal with the county superintendent of schools no later than 95 days after the renewal.