Cal. Government Code § 4528

(a) When the selection is by a state agency head the following procedures shall apply: (1) The state agency head shall negotiate a contract with the best qualified firm for architectural, landscape architectural, engineering, environmental, land surveying, and construction project management services at compensation which the state agency head determines is fair and reasonable to the State of California or the political subdivision involved. (2) Should the state agency head be unable to negotiate a satisfactory contract with the firm considered to be the most qualified, at a price the agency head determines to be fair and reasonable to the State of California or the political subdivision involved, negotiations with that firm shall be formally terminated. The state agency head shall then undertake negotiations with the second most qualified firm. Failing accord with the second most qualified firm, the state agency head shall terminate negotiations. The state agency head shall then undertake negotiations with the third most qualified firm. (3) Should the state agency head be unable to negotiate a satisfactory contract with any of the selected firms, the state agency head shall select additional firms in order of their competence and qualification and continue negotiations in accordance with this chapter until an agreement is reached. (b) When the selection is by a local agency head, the local agency head may undertake the procedures described in subdivision (a).