California Code, Business and Professions Code - BPC § 23985

After filing an application to engage in the sale of any alcoholic beverage at any premises, notice of intention to so commence shall be posted in a conspicuous place at the entrance to the premises.  The applicant shall notify the department of the date when such notice is first posted.  No license shall be issued for the premises until the notice has been so posted for at least 30 consecutive days.  The notice shall be in such form as the department shall prescribe.

Notice of the application for a license pursuant to Section 24044 shall be posted at the proposed premises after the application is filed and shall remain so posted for at least 30 consecutive days.  The applicant shall notify the department of the date when such notice is first posted.