Upon granting parole to any prisoner convicted of any of the offenses enumerated in Section 290, the Board of Parole Hearings shall inquire into the question whether the defendant at the time the offense was committed was intoxicated or addicted to the excessive use of alcoholic liquor or beverages at that time or immediately prior thereto, and if it is found that the person was so intoxicated or so addicted, it shall impose as a condition of parole that such prisoner shall totally abstain from the use of alcoholic liquor or beverages.
Ca. Pen. Code § 3053.5