In all instances in which an insurance carrier is to cease providing workers' compensation insurance to an employer, whether by reason of cancellation or otherwise, such insurance carrier shall file a written termination notice with the commissioner and shall send a copy of the notice to the employer. Terminations shall take effect no sooner than the earliest of the following:
RSA 281-A:9
1988, 194:2, eff. July 1, 1989.