(1)(a) The interim permit period must consist of at least thirty-six weeks of full-time postgraduate professional work experience or its part-time equivalent.

(b) Full-time post graduate professional experience means at least thirty hours per week over thirty-six weeks. Postgraduate professional work experience must be obtained over a period of at least thirty-six weeks, with a total of at least one thousand eighty hours completed.

(c) Part-time equivalent means at least fifteen hours per week completed within a thirty-six to seventy-two week time frame, with a total of at least one thousand eighty hours completed. The board may extend the interim permit period under WAC 246-828-045.

(d) Postgraduate professional work experience of less than fifteen hours per week does not meet the requirement and may not be counted toward the postgraduate professional work experience. Experience of more than thirty hours per week may not be used to shorten the postgraduate professional work experience to less than thirty-six weeks.

(2) The supervisor must submit to the department, on a form provided by the department, documentation of supervision and progress during the postgraduate professional work experience, at the end of the postgraduate professional work experience, unless there are concerns documented by the supervisor. Documented concerns must be submitted to the department within thirty days.

(3) Postgraduate professional work experience will be accepted if completed under a supervisor who is licensed and in good standing under chapter 18.35 RCW or holds a license in another state that the board has determined to be substantially equivalent to Washington state.

(4) The supervisor must cosign all purchase agreements in the fitting and dispensing of hearing instruments.