For the purpose of complying with the rules and regulations herein, each company shall be governed, insofar as the same are herein made applicable, by the provisions of the publications of the American Gas Association, American Petroleum Institute, American Society for Testing Materials, Bureau of Mines, Institute of Gas Technology and National Bureau of Standards referred to herein which were in effect December 31, 1956. Upon the filing by a company of copies of an amended or revised edition of any of said publications with this commission, said amended or revised edition shall replace the edition referred to herein as a standard in the applicability of the rules and regulations herein, effective 90 days after the date of said filing, unless otherwise directed by this commission.