No certificated employee shall be required to perform duties not described in the contract unless a new or supplemental contract is made, except that in an unexpected emergency the board of directors or school district administration may require the employee to perform other reasonable duties on a temporary basis.

No supplemental contract shall be subject to the continuing contract provisions of this title.

Severability—1969 ex.s. c 283: See note following RCW 28A.150.050.

RCW 28A.405.240 not applicable to contract renewal of school superintendent: RCW 28A.400.010.