Town and Country Planning (Scotland) Act 1997 (1997 Chapter 8).

The 278 sections are divided into 14 Parts: Administration (I); Development Plans (II); Control Over Development (III); Compensation For Effects Of Certain Orders, Notices Etc. (IV); Rights Of Owners Etc. To Require Purchase Of Interests (V); Enforcement (VI); Special Controls (VII); Acquisition And Appropriation Of Land For Planning Purposes Etc. (VIII); Roads, Footpaths And Rights Of Way (IX); Statutory Undertakers (X); Validity (XI); Crown Land (XII); Financial Provisions (XIII); Miscellaneous And General Provisions (XIV). The Secretary of State may by order designate areas ("structure plan areas") in respect of which planning authorities are to prepare structure plans (sect. 5). The Secretary of State shall by regulations or by order provide for the granting of planning permission (sect. 30). Chapter I of Part VII concerns the conservation of trees. If it appears to a planning authority that it is expedient in the interests of amenity to make provision for the preservation of trees or woodlands in their district, they may for that purpose make an order with respect to such trees, groups of trees or woodlands as may be specified in the order (sect. 160). Section 172 concerns preservation of trees in conservation areas.