Fees shall be charged sufficient to cover the department's cost of implementing this chapter.

(1) Ginseng certification activities shall be provided at an hourly and overtime rate. The overtime rate shall apply for service provided subsequent to a regularly scheduled eight-hour week day shift or on Saturdays, Sundays, and state legal holidays. No service will be performed on Thanksgiving Day, Christmas Day or New Years Day, beginning at 5:00 p.m., on the previous day.

(2) Charges shall be for a minimum of one hour. Additional time shall be charged in one-half hour increments.