32. (1) Any person subject to this Act who uses or attempts to use criminal force to, or commits an assault on, his superior officer being in the execution of his office, knowing or having reason to believe him to be such, shall, on conviction by court martial, be punished with rigorous imprisonment for a term which may extend to fourteen years, or with such less punishment as is in this Act mentioned. (2) Any person subject to this Act who commits any of the following offences, that is to say,-(a) uses or attempts to use criminal force to, or commits an assault on, his superior officer, knowing or having reason to believe him to be such; or(b) is grossly insubordinate or insolent to his superior officer, knowing or having reason to believe him to be such; or(c) impedes a provost marshal or any person lawfully acting on his behalf, or any member of the service police, or when called upon, refuses to assist a provost marshal or any person lawfully acting on his behalf or any member of the service police in the execution of his duty,shall, on conviction by court martial, if he commits such offence on active service, be punished with rigorous imprisonment for a term which may extend to fourteen years, or with such less punishment as is in this Act mentioned; and if he commits such offence not on active service, be punished with rigorous imprisonment for a term which may extend to five years, or with such less punishment as is in this Act mentioned. Explanation.- For the purposes of sub-section (2), “provost marshal” shall be deemed to include a provost marshal or any of his assistants appointed under ¹[* * *] the Air Force Act, 1953, or the Navy Ordinance, 1961, and “service police” shall be deemed to include members of the Air Force or the Naval Police, being persons subject to the aforesaid Acts.