(2) The State Accident Insurance Fund Corporation may annually, and at such other times as it deems necessary, readjust, increase or decrease the premium rates of employers insured with the State Accident Insurance Fund Corporation. Any such readjustment, increase or decrease shall be made and become effective on such dates as the State Accident Insurance Fund Corporation may determine. The State Accident Insurance Fund Corporation shall notify the employer of the rate.
(3) The State Accident Insurance Fund Corporation may establish a uniform system of rate modification conforming to recognized insurance principles including schedule rating and experience rating, premium discount and retrospective rating. [Amended by 1957 c.41 §1; 1957 c.386 §1; 1963 c.587 §1; 1965 c.285 §71; 1977 c.405 §8; 1981 c.854 §35]