CA Gov't Code Section 11445.30

(a)

The notice of hearing shall state the agency’s selection of the informal hearing procedure.

(b)

Any objection of a party to use of the informal hearing procedure shall be made in the party’s pleading.

(c)

An objection to use of the informal hearing procedure shall be resolved by the presiding officer before the hearing on the basis of the pleadings and any written submissions in support of the pleadings. An objection to use of the informal hearing procedure in a disciplinary proceeding involving an occupational license shall be resolved in favor of the licensee.