(1) In regulation 3 of the principal Regulations (services exempted from charges) for paragraph (d) there shall be substituted the following paragraph:—
(d) at a special clinic for the treatment of sexually transmitted diseases or in respect of a sexually transmitted disease by virtue of a reference from such a clinic, but, in the case of services which relate to infection with any Human Immunodeficiency Virus, only to the extent that they consist of a diagnostic test for evidence of infection with any such Virus and counselling associated with that test or its result; or
(2) In Schedule 3 to the principal Regulations (charges for services provided for overseas visitors otherwise than as in-patients) there shall be added at the end of columns (1) and (2) respectively the following entries:—