For the purposes of Military and Veterans Code Section 395 or any other provision of law providing for the payment of salary or compensation as such employee to an employee of a school district while absent from duty because engaged in ordered military or naval duty, his salary or compensation as such employee for 30 days shall (a) with respect to an employee serving in a position requiring certification qualifications be deemed to be one-tenth of the annual salary established for such position and (b) with respect to an employee serving in a position not requiring certification qualifications be deemed to be one month’s salary.