As noted by the Scottish Government in correspondence with the Committee, other than this exception the use of SIs in devolved areas “happened rarely.”1Letter from the Cabinet Secretary for the Constitution, External Affairs and Culture in response to the Committee's inquiry. (2023, June 26). Retrieved from <a href="https://www.parliament.scot/-/media/files/committees/constitution-europe-external-affairs-and-culture-committee/correspondence/2023/from-cab-sec-ceac-to-convener-ceeac-committee-re-questions--26-jun-23.pdf" target="_blank">https://www.parliament.scot/-/media/files/committees/constitution-europe-external-affairs-and-culture-committee/correspondence/2023/from-cab-sec-ceac-to-convener-ceeac-committee-re-questions--26-jun-23.pdf</a>
The procedures for the transposition and implementation of EU legislation in the UK were set out in the MoU and the Concordat on Co-ordination of European Union Policy.