California Code, Public Utilities Code - PUC § 977

(a) Providing an adequate workforce to achieve the objectives of reducing hazards and emissions from leaks, including leak avoidance, reduction, and repair.

(b) Providing revenues for all activities identified and required pursuant to Section 975, including any adjustment of allowance for lost and unaccounted for gas related to actual leakage volumes.

(c) Providing guidance for treatment of expenditures as being either an item of expense or a capital investment.

(d) The impact on affordability of gas service for vulnerable customers as a result of the incremental costs of compliance with the adopted rules and procedures.