Any such employer who may have once elected, may elect not to provide and pay the compensation herein provided for accidents resulting in either injury or death and occurring after the expiration of any such calendar year by filing notice of such election with the Commission at least 60 days prior to the expiration of any such calendar year, and by posting such notice at a conspicuous place in the plant, shop, office, room or place where such employee is employed, or by personal service, in written or printed form, upon such employees, at least 60 days prior to the expiration of any such calendar year.
Every employer within the provisions of this Act who has elected to provide and pay compensation according to the provisions of this Act by insuring his liability to pay compensation under this Act, as above provided, shall be bound thereby as to all his employees until the date of expiration or cancellation of such policy of insurance, or any renewal thereof.
820 ILCS 310/2