The Scotland Act 1998 as amended by the Scottish Elections (Reform) Act 2020 requires the commission to review boundaries of all constituencies except Orkney and Shetland (which cover, respectively, the Orkney Islands council area and the Shetland Islands council area) so that the area covered by the reviewed constituencies will continue to be covered by a total of 71 constituencies.
The Orkney and Shetland constituencies were taken into account, however, in review of boundaries of the additional member regions.
Final recommendations following public consultations and a series of local inquiries.
A meeting of the Boundary Commission in 2017 indicated that an extension would be sought by the Scottish Government to have the constituencies reviewed by the time of the next proposed election in 2025 (now 2026).
[5] In the provisional proposals,[6][7] The revised proposals made changes to 30 seats had new boundaries and new names and 18 had minor changes to boundaries but retained their original names from the initial review.