20.—(1) A person aged 18 or over may apply to any dentist whose name appears in any dental list for general dental services by way of—
(a)care and treatment under a continuing care arrangement; or
(b)treatment on referral; or
(c)occasional treatment.
(2) Subject to paragraph (3), a person under the age of 18 may apply to any dentist whose name appears in any dental list for general dental services by way of—
(a)care and treatment under a capitation arrangement; or
(b)treatment on referral; or
(c)occasional treatment.
(3) A dentist may not enter into a capitation arrangement with a person during the month before he attains the age of 18.
(4) A person under the age of 18 may apply to a dentist for general dental services by way of care and treatment under a continuing care arrangement at any time during the month before he attains the age of 18 provided that he is not immediately before that date receiving care and treatment under a capitation arrangement with that dentist.
(5) A person who is receiving care and treatment under a capitation arrangement with a dentist may at any time after he attains the age of 17 apply for general dental services by way of care and treatment under a continuing care arrangement with that dentist from the date that he attains the age of 18.
(6) Application under this regulation shall be made in person at the practice premises unless a person is unable to attend those premises owing to illness or any other reasonable cause.