§ 60. Assessment for expenses. 1. The estimated annual expenses necessary for the workers' compensation board to administer the provisions of the volunteer ambulance workers' benefit law shall be borne by all affected employers and included as part of the assessment rate generated pursuant to subdivision two of section one hundred fifty-one of the workers' compensation law.

2. Annually, the chair of the department of audit and control, as soon as practicable after the first of April, shall ascertain the total amount of actual expenses.