113.Section 73 makes further provision relating to the designation of Historic MPAs. Subsection (1) enables Scottish Ministers to designate a Historic MPA for the purposes of preserving a marine historic asset of national importance located, or which the Scottish Ministers are satisfied may be located, in the area. The designation order is to define the asset(s) to be protected, the preservation objectives and the boundaries of the area, including such area of seabed comprising or adjacent to the marine historic asset(s) necessary for the preservation of the marine historic asset(s). Section 73(5) sets out what a “marine historic asset” is for the purposes of Part 5.