There shall be exempt from the tax due under Sections 3.04.110 through 3.04.130:

(1) The amount of any sales or use tax imposed by the state of California upon a retailer or consumer;

(2) The storage, use or other consumption of tangible personal property, the gross receipts from the sale of which have been subject to sales tax under a sales and use tax ordinance enacted in accordance with Part 1.5 of Division 2 of the Revenue and Taxation Code by any city, county, county or city in this state, shall be exempt from the tax due under this chapter;

(3) Provided, however, that the storage, use or other consumption of tangible personal property purchased by operators of waterborne vessels and used or consumed by such operators directly and exclusively in the carriage of persons or property in such vessels for commercial purposes is exempted from eighty percent of the tax;

(4) And provided that in addition to the exemptions provided in Sections 6366 and 6366.1 of the Revenue and Taxation Code, the storage, use or other consumption of tangible personal property purchased by operators of aircraft and used or consumed by such operators directly and exclusively in the use of such aircraft as common carriers of persons or property for hire or compensation under a certificate of public convenience and necessity issued pursuant to the laws of this state, the United States, or any foreign government is exempt from eighty percent of the tax. (Ord. 2160 § 9, 1983)