(1)  It is lawful for a person who is charged by law with the duty of executing or giving effect to the lawful sentence of a court, and for every person lawfully assisting him, to execute or give effect to that sentence.

(2)  It is lawful for a person who is charged by law with the duty of executing the lawful process of a court, and who is required to arrest or detain another person under such process, and for every person lawfully assisting a person so charged, to arrest or detain that other person according to the terms of the process.

(3)  It is lawful for a person who is charged by law with the duty of executing a lawful warrant issued by any court or justice or other person having jurisdiction to issue it, and who is required to arrest or detain another person under such warrant, and for every person lawfully assisting a person so charged, to arrest or detain that other person according to the directions of the warrant.

(4)  It is lawful for a police officer who is charged by law with the duty of executing a lawful warrant issued by any court or justice or other person having jurisdiction to issue it, and who is required to arrest or detain a person under that warrant, to arrest or detain that person in accordance with section 301(4) and (5) .