http://www.legislation.gov.uk/ukpga/2006/42/section/20/enactedNational Health Service (Wales) Act 2006NHS managementHealth promotionMedical advice and support servicesNational Health Service (NHS)Health care services and specialismsKing's Printer of Acts of Parliament2021-08-04National Health Service (Wales) Act 2006Sch. 7 para. 1(2A)Health Act 2009s. 32(3)s. 40(1)National Health Service (Wales) Act 2006s. 201A-201CHealth Service Medical Supplies (Costs) Act 2017Health Services Medical Supplies (Costs) Act 2017s. 9s. 12(2)National Health Service (Wales) Act 2006s. 201C(2)Data Protection Act 2018Sch. 19 para. 118(2)s. 117209210s. 212(1)reg. 2(1)(g)National Health Service (Wales) Act 2006s. 201C(4)Data Protection Act 2018Sch. 19 para. 118(3)s. 117209210s. 212(1)reg. 2(1)(g)Part 2Health service bodiesChapter 2NHS trusts20General duty of NHS trustsAn NHS trust must exercise its functions effectively, efficiently and economically.