California Code, Education Code - EDC § 17605

The governing board by majority vote may adopt a rule, delegating to any officer or employee of the district as the board may designate, the authority to purchase supplies, materials, apparatus, equipment, and services. No rule shall authorize any officer or employee to make any purchases involving an expenditure by the district in excess of the amount specified by Section 20111 of the Public Contract Code. The rule shall prescribe the limits of the delegation as to time, money, and subject matter. All transactions entered into by the officer or employee shall be reviewed by the governing board every 60 days.

In the event of malfeasance in office, the school district officer or employee invested by the governing board with the power to contract shall be personally liable for any and all moneys of the district paid out as a result of the malfeasance.