These Regulations amend the National Health Service (General Medical Service Contracts) (Wales) Regulations 2004 (S.I. 2004/478, as amended) (“the GMS Contracts Regulations”), the National Health Service (General Medical Service Contracts) (Prescription of Drugs Etc) (Wales) Regulations 2004 (S.I. 2004/1002, as amended) (“the GMS Prescription of Drugs Regulations”), the National Health Service (General Dental Services Contracts) (Wales) Regulations 2006 (S.I. 2006/490, as amended) (“the GDS Regulations”), and the National Health Service (Personal Dental Services Agreements) (Wales) Regulations 2006 (S.I. 2006/489, as amended) (“the PDS Regulations”).