Subsections 1 and 2 set out that county and district (county and county borough in Wales) councils are Local Planning Authorities ('LPA's) in non-metropolitan counties; that metropolitan district councils (usually unitary authorities) are LPAs in metropolitan counties and that different authorities govern Greater London and the Isles of Scilly. This is subject to sections 2 and 9. Subsection 1(3) states: "In England (exclusive of the metropolitan counties, Greater London and the Isles of Scilly) all functions conferred on local planning authorities by or under the planning Acts shall be exercisable both by county planning authorities and district planning authorities." and is subject to Sch. 1. Subsection 1 (4) deals with mineral planning authorities. The exercise of functions in Wales is subject to Schedule 1A. This section is subject to sections 4A to 8.