Wholesale water districts with contracts to purchase water from the City shall be subject to the terms and conditions of this article. Each wholesale water district shall be required to adopt its own water conservation plan which must provide for the same reductions in water usage as the water conservation plan set out in this article. Should a wholesale water district neglect to adopt its own water conservation plan, the terms and conditions of the City water conservation plan shall apply to the consumers of that wholesale water district. (Code 1981 § 44-162. Code 1995 § 146-166.)