Cal. Harbors and Navigation Code § 1176.5

(a) At the time of the physical examination required by Section 1176, a trainee or an applicant for a trainee position shall disclose to the board-appointed physician conducting the physical examination all of the following information, if applicable: (1) If at any time prior to the examination the trainee or applicant for a trainee position has been rendered incapable of safely operating a vessel or any other motor vehicle because of alcoholism, excessive and chronic use of alcoholic beverages, or addiction to, or habitual use of, any drug. (2) If at any time prior to the examination the trainee or applicant for a trainee position has been addicted to the use of narcotic drugs or has participated in a narcotic treatment program. (3) If at any time prior to the examination the trainee or applicant for a trainee position has suffered from a disorder characterized by lapses of consciousness or has experienced, within the last three years, either a lapse of consciousness or an episode of marked confusion caused by any medical condition that may bring about recurrent lapses, or has any physical or mental disability, disease, or disorder that could affect the safe operation of a vessel or motor vehicle. (b) At the time of the physical examination, a licensee shall disclose to the board-appointed physician conducting the physical examination pursuant to Section 1176 all of the following information, if applicable: (1) If at any time during the year prior to the examination the licensee applicant has been rendered incapable of safely operating a vessel or any other motor vehicle because of alcoholism, excessive and chronic use of alcoholic beverages, or addiction to, or habitual use of, any drug. (2) If at any time during the year prior to the examination the licensee has been addicted to the use of narcotic drugs or participated in a narcotic treatment program. (3) If at any time during the year prior to the examination the licensee has suffered from a disorder characterized by lapses of consciousness or has experienced either a lapse of consciousness or an episode of marked confusion caused by any medical condition that may bring about recurrent lapses, or has any physical or mental disability, disease, or disorder that could affect the safe operation of a vessel or any other motor vehicle. (c) The board may refuse to admit an applicant to the training program, continue a trainee in the training program, or issue or renew a license to any person if the board-appointed physician conducting the physical examination required pursuant to Section 1176 determines that the trainee applicant, trainee, license applicant, or licensee excessively or habitually uses, or is addicted to, alcoholic beverages, narcotics, or dangerous drugs. (d) The board shall not admit an applicant to the training program, continue a trainee in the program, issue a license to a pilot license applicant, or renew a pilot license for any applicant who fails to submit the information required by this section.