California Code, Public Utilities Code - PUC § 130235

(a) Upon determining that immediate remedial measures to avert or alleviate damage to property, or to replace, repair, or restore damaged or destroyed property, of the commission are necessary in order to ensure that the facilities of the commission are available to serve the transportation needs of the general public, and upon determining that available remedial measures, including procurement or construction in compliance with Sections 130232, 130233, and 130234 are inadequate, the executive director may authorize the expenditure of money previously appropriated specifically by the commission for the direct purchases of goods and services, without following those sections.

(b) The executive director shall, after any such expenditure, submit to the commission a full report explaining the necessity for the action.