Chap. 196 An Act relative to service of process in certain cases arising from the operation of trailers within the commonwealth. Be it enacted, etc., as follows: Section 1. Section 3A of chapter 90 of the General Laws, as most recently amended by section 1 of chapter 366 of the acts of 1953, is hereby further amended by inserting after the word "vehicle", in lines 4, 6 and 15, in each instance, the words: - or trailer, - so that the first sentence will read as follows: - The acceptance by a person who is a resident of any other state or country of the rights and privileges conferred by section three, as evidenced by the operation, by himself or agent, of a motor vehicle or trailer thereunder, or the operation by such a person, by himself or his agent, of a motor vehicle or trailer on a way, or private way if entrance thereto was made from a way, or in any place to which the public has a right of access, in this commonwealth otherwise than under said section, shall be deemed equivalent to an appointment by him of the registrar, or his successor in office, to be his true and lawful attorney upon whom may be served all lawful processes in any action or proceeding against him or his executor or administrator, growing out of any accident or collision in which such person or his agent may be involved while operating a motor vehicle or trailer on such way or in such place, and said acceptance or operation shall be a signification of his agreement that any such process against him, or his executor or administrator, which is so served shall be of the same legal force and validity as if served on him personally. Section 2. Section 3B of said chapter 90, as amended by section 2 of said chapter 366, is hereby further amended by inserting after the word "vehicle", in lines 3 and 13, in each instance, the words: - or trailer, - so that the first sentence will read as follows: - The operation by any person, by himself or his agent, of any motor vehicle or trailer, whether registered or unregistered, and with or without a license to operate, on any way, or private way if entrance thereto was made from a way, or in any place to which the public has a right of access, in this commonwealth, shall be deemed equivalent to an appointment by such person of the registrar, or his successor in office, to be his true and lawful attorney upon whom may be served all lawful processes in any action or proceeding against him, or his executor or administrator, growing out of any accident or collision in which he or his agent may be involved while operating a motor vehicle or trailer on any way, or private way if entrance thereto was made from a way, or in any place to which the public has a right of access, in this commonwealth, and such operation shall be a signification of an agreement by such person that any such process against him, or his executor or administrator, which is served upon the registrar or his successor in office shall be of the same force and validity as if served upon him personally. Approved March 22, 1955.