California Code, Business and Professions Code - BPC § 7668

(a) Failure to devote full-time employment to the duties of his or her apprenticeship.

(b) Failure to make any report required by this chapter.

(c) Absence from duty except as provided in this code.

(d) Being on duty as an apprentice while under the influence of any controlled substance, as defined in Division 10 (commencing with Section 11000) of the Health and Safety Code, or any dangerous drug as defined in Article 2 (commencing with Section 4015) of Chapter 9 of the Business and Professions Code, or alcoholic beverages or other intoxicating substances, to an extent dangerous or injurious to himself, herself, any person, or the public to the extent that such use impairs his or her ability to conduct with safety to the public the practice authorized by his or her certification.

(e) Disobedience of proper orders or instructions of his or her superior.

(f) Violation of any provision of this chapter or any rule or regulation of the bureau.

(g) Soliciting business for a funeral director or for an embalmer in violation of this chapter.

(h) Fraud or misrepresentation in obtaining a certificate of registration as an apprentice.

(i) Conviction of a crime substantially related to the qualifications, functions and duties of an apprentice, in which case the record of conviction, or a certified copy, shall be conclusive evidence of the conviction.