https://www.gov.uk/government/publications/patient-group-directions-pgds
Who can supply and or administer specific medicines to patients without a doctor under a PGD and which medicines can be administered.
patient group directionspgdsgovuk
https://www.gov.uk/government/consultations/proposal-for-the-use-of-patient-group-directions-by-pharmacy-technicians/proposal-for-the-use-of-patient-group-directions-by-pharmacy-technicians
patient group directionsproposalusepharmacy