§392-50 Cancellation of insurance contracts. No policy or contract of insurance issued by a stock company or mutual association against liability arising under this chapter shall be canceled within the time limited in the contract for its expiration until at least ten days after notice of intention to cancel such contract, on a date specified in the notice, has been filed with and served on the director of labor and industrial relations and the employer. [L 1969, c 148, pt of §1]