The NICE Guidance; Management of medicines in care homes (March 2014) clearly states how commissioners, managers of care homes and other healthcare professionals involved in care homes should work in a standardised format with clear consideration for process and safety: https://www.nice.org.uk/guidance/sc1
NICE have also published supporting documents to aid implementation of the NICE guidance for care homes - checklist and baseline assessment tool: http://www.nice.org.uk/guidance/sc1/resources
Royal Pharmaceutical Society
The RPS Guidance; The Handling of Medicines in Social Care sets out principles of good practice and legislation governing the handling of medicines applicable to providers of care services, managers and care workers in many social care settings.
Care Quality Commission
The Care Quality Commission (CQC) regulates the management of medicines in care homes. The Essential Standards guide is designed to help providers of health and adult social care comply with the Health and Social Care Act 2008 (Regulated Activities) Regulations 2010 and the Care Quality Commission (Registration) Regulations 2009.
CQC - Statutory notification: http://www.cqc.org.uk/content/notifications-non-nhs-trust-providers
CQC Registration Regulations 2014: http://www.cqc.org.uk/content/regulations-service-providers-and-managers
CQC Monitoring of compliance: http://www.cqc.org.uk/file/4474