National Health Service (Travelling Expenses and Remission of Charges) (Scotland) Amendment Regulations 2007 (SSI 2007/225) Are members content to ask the Executive to explain the vires for regulation 2, which appears to give regulation 3(2)(c) retrospective effect, despite the apparent absence of express authority to do so in the parent act—the National Health Service (Scotland) Act 1978.Retrospection is of serious concern to the committee.