California Code, Public Utilities Code - PUC § 785.1

(a) The commission shall require, after a hearing, every gas corporation to revise its transportation tariffs and conditions of service to eliminate all components that assess shippers of gas produced in California for the costs of interstate transmission of gas produced outside of this state.  These revisions shall eliminate direct or indirect charges for the interstate transportation of gas produced outside of this state, commonly referred to as “double demand” charges.

(b) The commission shall consider and approve tariffs consistent with subdivision (a) on or before October 1, 1994.

(c) Nothing in this section shall be construed to prohibit the commission from approving intrastate transmission tariffs which include interstate transition cost surcharges, as described in commission decisions 91-11-025 and 92-07-025, in an appropriate manner.