§ 228. Administrative expenses. 1. The estimated annual expenses necessary for the workers' compensation board to administer the provisions of the disability benefits 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 this chapter.

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