As used in section 12-241, "Connecticut motor bus company" means any common carrier motor bus company, organized in this state and engaged in the business of carrying passengers for hire, to which a certificate has been issued under the provisions of section 13b-80 and seventy-five per cent of whose gross operating revenue in each calendar year is derived from operations within the state.
Conn. Gen. Stat. § 12-241a
(1959, P.A. 673, S. 3, 4; 1961, P.A. 89, S. 1.)