Registration of installations and mobile lasers. A non-refundable fee of $600 shall be paid to the Commissioner of Labor upon the registration of a laser installation or mobile laser, and for each triennial renewal thereof. Such fee shall also be payable to the Commissioner of Labor for any existing laser installation or mobile laser presently registered with the Commissioner of Labor and upon payment thereof such present registration shall be valid for a period of three years from and after the date this section becomes effective.