The codes of the American Society of Mechanical Engineers – Boiler and Pressure Vessel Code – Section II Material Specifications; Section VIII Pressure Vessels; and Section IX Welding and Brazing Qualifications; American Petroleum Institute Standard 620 (American Petroleum Institute Recommended Rules for the Design and Construction of Large Welded Low-pressure Storage Tanks); Standards of the National Fuel Gas Code as published by the National Fire Protection Association, NFPA-54; the Standards for the Storage and Handling of Liquefied Petroleum Gas as published by the National Fire Protection Association, NFPA-58; and other National Fire Protection Association standards applicable to liquefied petroleum gas and compressed gas; and the safety requirements for the storage and handling of anhydrous ammonia as published by the American National Standards Institute, Inc.; as the codes and standards referred to herein as revised, and standards referred to above are hereby adopted by reference as specifications for the purpose of material standards, construction, handling, transportation and installation of all liquefied compressed gas systems and inspection and operation of pressure vessels. Copies of all codes and standards referred to in the foregoing are available for public use and inspection at the office of the Commissioner of Insurance. The State Liquefied Compressed Gas Board is fully authorized and empowered in the exercise of its authority granted under this section to change, delete from or amend from time to time the national code and standards adopted by reference in this section. Any changes, deletions or amendments made to the national codes and codes adopted by reference in this section shall be made in strict compliance with the Mississippi Administrative Procedures Law, Chapter 43, Title 25, Mississippi Code of 1972, and with the approval of the Commissioner of Insurance. The State Liquefied Compressed Gas Board is fully authorized and empowered in the exercise of the authority granted under this section to exempt or grant deviations from the national code and standards adopted by reference in this section with respect to reconditioned or remanufactured railroad tank car pressure vessels designed for and used as stationary storage tanks for agricultural fertilizers.