When the amendment of a charter of incorporation of a railroad corporation is desired under the provisions of this section, the person or persons authorized by this section to apply for same shall prepare a petition therefor which shall be properly acknowledged before a notary public or other officer authorized to take acknowledgments and which petition shall set forth in full the desired and proposed amendments to said charter. The said petition shall likewise contain a statement that the proposed amendments are proper to carry out the plan of reorganization and the decrees and orders of the court relative thereto, and shall give the title and venue of the proceedings and the date of the decree confirming the plan. Said petition shall be filed with the governor who shall submit same to the attorney general who shall give his opinion, in writing, as to whether or not said amendments be in conformity with the law. If the attorney general be of the opinion that the proposed amendments are in conformity with the law, and if the governor believes that the amendments should be approved, he shall endorse his approval thereon, and the petition, together with the endorsements of the attorney general and the governor, shall be filed with the secretary of state who shall record the same in his office and certify same under the great seal of the state. The said petition, when so approved and certified, shall also be recorded in the office of the chancery clerk of each county through which the railroad may run and, when all of same shall be done, the said amendments to the charter shall become effective to the same extent as though the said amendments had originally been incorporated as a part of the said charter of incorporation.