California Code, Business and Professions Code - BPC § 4887

(b) The petition shall be accompanied by at least two verified recommendations from veterinarians licensed by the board who have personal knowledge of the activities of the petitioner since the disciplinary penalty was imposed. The petition shall be heard by the board. The board may consider all activities of the petitioner since the disciplinary action was taken, the offense for which the petitioner was disciplined, the petitioner's activities since the license or registration was in good standing, and the petitioner's rehabilitation efforts, general reputation for truth, and professional ability. The hearing may be continued from time to time as the board finds necessary.

(c) The board reinstating the license or registration or modifying a penalty may impose terms and conditions as it determines necessary. To reinstate a revoked license or registration or to otherwise reduce a penalty or modify probation shall require a vote of five of the members of the board.

(d) The petition shall not be considered while the petitioner is under sentence for any criminal offense, including any period during which the petitioner is on court-imposed probation or parole. The board may deny without a hearing or argument any petition filed pursuant to this section within a period of two years from the effective date of the prior decision following a hearing under this section.