20.—(1) If any medical practitioner is of the opinion that any child has an attack of measles, he shall forthwith issue to the parent or guardian of the child a certificate in the form set out in the Fifth Schedule.
(2) Any medical practitioner who issues a certificate of measles infection under paragraph (1) shall, within 3 days thereof, notify the Commissioner of Public Health in the form set out in the First Schedule to the Infectious Diseases (Notification of Infectious Diseases) Regulations 2001 (G.N. No. S 394/2001).