California Code, Public Utilities Code - PUC § 99314.3

(a) The amount allocated to each transportation planning agency and county transportation commission, and the San Diego Metropolitan Transit Development Board pursuant to Section 99314 shall be allocated by those entities to the STA-eligible operators in the area of their respective jurisdictions.

(b) The amount allocated by a transportation planning agency and county transportation commission, and the board to each STA-eligible operator pursuant to Section 99314 shall be based on the ratio that the operator's qualifying revenue bears to the total qualifying revenue of all STA-eligible operators within the area of jurisdiction of the transportation planning agency, county transportation commission, or board.  The Controller shall publish the share of funds corresponding to each STA-eligible operator as well as the total amount to be allocated to each transportation planning agency, county transportation commission, or board.

(c) The amount allocated by the Controller to a transportation planning agency corresponding to the parties to the cooperative service agreement of the Altamont Corridor Express and the member agencies of the Southern California Regional Rail Authority, pursuant to Section 99314, shall be allocated by the transportation planning agency in the jurisdiction of the parties to the cooperative services agreement or the member agency's area for STA program purposes authorized in this chapter.  The allocation shall be based on the ratio that the qualifying revenues bear to the qualifying revenue of all STA-eligible operators.

(d) For purposes of subdivision (a), the City and County of San Francisco with respect to its municipal railway system, the Alameda-Contra Costa Transit District, and the San Francisco Bay Area Rapid Transit District shall be considered one operator.  The amount allocated to them as one operator shall be apportioned to each of them based on the ratio of its revenue to the sum of their revenues, excluding from the determination of that ratio the amount allocated to each of them pursuant to Section 29142.2.