All amendments of said Revenue and Taxation Code enacted subsequent to the effective date of this ordinance, including amendments adopted and effective to and including September 18, 1959, which relate to the sales and use tax and which are not inconsistent with Part 1.5 of Division 2 of the Revenue and Taxation Code, shall automatically become a part of this ordinance. (Amended by Ord. No. 115,042, Eff. 1/1/60.)