These Regulations amend the National Health Service (General Medical Services Contracts) (Wales) Regulations 2004, the National Health Service (Free Prescriptions and Charges for Drugs and Appliances) (Wales) Regulations 2007 and the National Health Service (Pharmaceutical Services) (Wales) Regulations 2013 by extending the definition of prescriber through the insertion of an additional category of independent prescriber: therapeutic radiographer independent prescriber and by extending the definition of supplementary prescriber to include dietitians.