Cal. Pub. Util. Code § 130238
(c) The commission may, after finding by a two-thirds vote of all of its members that a particular procurement qualifies under subdivision (b), direct that the procurement be conducted through competitive negotiation under this section. For purposes of this section, competitive negotiation includes, but is not limited to, all of the following requirements:
(e) A person who submits, or who plans to submit, a proposal may protest any acquisition conducted in accordance with this section as follows: