(1) Program directors, site directors, lead teachers, and assistant teachers must complete ten hours of annual in-service training after twelve months of cumulative employment.

(a) Every thirty-six months, program directors and site directors must complete a minimum of ten hours of in-service training on "leadership practices."

(b) Leadership practices training includes the following Washington state core competencies: Program planning and development, and professional development and leadership.

(2) In-service training requirements of this chapter may be met by completing college courses that align with the Washington state core competencies. These courses must be delivered by a postsecondary institution and approved by the department.

(3) Only five in-service training hours that exceed the requirements of subsection (1) of this section may be carried over from one calendar year to the next calendar year.