Section 7
SEC. 7. Every person holding a certificate of registration from the Board of Medical Examiners shall have it recorded in the office of the Registrar of Deeds in the province of provinces within which he may desire to practice, or in the city of Manila, as the case may be, before engaging in the practice of medicine, surgery, or midwifery, and until such certificate is so recorded, the holder thereof shall not exercise any of the privileges to practice medicine conferred therein. The holder of the certificate shall pay the registrar the usual fees for recording such certificate.