Cal. Code Regs. tit. 8 § 20320
Requests pursuant to Labor Code Section 1156.3(a) that the Board make available ballots in a language or languages other than English and Spanish shall be made by any petitioner by completing the appropriate section of the petition for certification form, by any intervenor as part of its written motion to intervene, and by any employer as provided in Section 20310(a)(8). Any supplemental request by a petitioner, intervenor, or employer or any request by an agricultural employee eligible to vote in the election shall be in writing and shall state the languages required and the approximate number of employees who can effectively read the requested language and no other language in which the ballot would otherwise be printed. Such request shall be filed with a regional office of the Board which is processing the petition no later than 24 hours prior to the scheduled time of the election. Where practicable, requests for additional foreign languages on the ballot will be granted.
Cal. Code Regs. Tit. 8, § 20320