# The National Health Service (General Medical Services) Regulations 1992, Paragraph 44: Prescribing


(1) In the course of treating a patient to whom he is providing treatment under these terms of service, a doctor shall not order on a prescription form a drug or other substance specified in Schedule 10 to these Regulations but may otherwise prescribe such a drug or other substance for that patient in the course of that treatment.
(2) In the course of treating such a patient a doctor shall not order on a prescription form a drug specified in an entry in column 1 of Schedule 11 to these Regulations unless—
(a) that patient is a person of a description mentioned in column 2 of that entry;
(b) that drug is prescribed for that patient only for the purpose specified in column 3 of that entry; and
(c) the doctor endorses the face of the form with the reference “SLS”,
but may otherwise prescribe such a drug for that patient in the course of that treatment.

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Source: https://www.legislation.gov.uk/uksi/1992/635/schedule/2/paragraph/44 (the official version)
Page: https://openlegislation.uk/national-health-service-general-medical-services-regulations-1992/schedule-2/paragraph-44
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.