(a) A person is qualified to receive a certificate of registration as a registered apprentice:
(1) who has completed at least ten grades of an approved school;
(2) who has graduated from a barber school approved by a barber board within the previous four years; and
(3) who has passed an examination conducted by the board to determine fitness to practice as a registered apprentice. An applicant who graduated from a barber school approved by a barber board more than four years prior to application is required to complete a further course of study of at least 500 hours.
(b) An applicant for an initial certificate of registration to practice as an apprentice, who fails to pass the comprehensive examination conducted by the board, and who fails to pass a onetime retake of the written examination, is required to complete a further course of study of at least 500 hours, of not more than eight hours in any one working day, in a barber school approved by the board before being eligible to retake the comprehensive examination as many times as necessary to pass.
(c) A certificate of registration of an apprentice shall be valid for four years and shall not be renewed for a fifth year. During the four-year period the certificate of registration shall remain in full force and effect only if the apprentice complies with all the provisions of sections 154.001, 154.002, 154.003, 154.01 to 154.161, 154.19 to 154.21, and 154.24 to 154.26, including the payment of an annual fee, and the rules of the board.
(d) If a registered apprentice, during the term in which the certificate of registration is in effect, enters full-time active duty in the armed forces of the United States of America, the expiration date of the certificate of registration shall be extended by a period of time equal to the period or periods of active duty.
(e) If a registered apprentice graduates from a barber school approved by the board and is issued a certificate of registration while incarcerated by the Department of Corrections of the Federal Bureau of Prisons, the expiration date of the certificate of registration shall be extended one time so that it expires four years from the date of first release from a correctional facility.