Section 437 - Apprentices1. Each applicant for a certificate of registration as an apprentice shall make an application which shall include the physician's certificate required by paragraph (c) and the certificate of completion required by paragraph (e-1) of subdivision one of section four hundred thirty-four, two recent photographs, and which certificate shall contain such other information required by such section and in such form as the secretary of state may prescribe.2. A certificate of registration as an apprentice shall be for a period of four years.3. Each certificate of registration issued as provided in this section shall be posted in some conspicuous place in the barber shop in which the apprentice is actually engaged in the practice of barbering as an apprentice.4. A certificate of registration expiring in any year, which has not been revoked, may, upon payment of the fee prescribed by this article, be renewed for additional periods of four years upon filing an application therefor and the certificate mentioned in subdivision two on condition, however, that no certificate of registration may be issued after one renewal, unless the applicant for such certificate of registration has complied with all the provisions of this article relating to apprentices.