APLChapter 4 - Planning ControlTHE PLANNING SYSTEMLegislationThe principal Act is the Town and Country Planning Act 1990 (TCPA 1990). The Act sets out the main framework of the planning system. Central and local governmentThe Department for Communities and Local GovernmentDCLG is the central government department responsible for town and country planning. It has 3 classes of function under the Act -legislative, administrative and quasi-judicial.Secretary of State for Communities and Local Government has administrative powers including dissemination of policy guidance.The SOS also has powers to call in a wide variety of matters for his own consideration (such as development plan documents and applications for planning permission).quasi-judicial powers, the SOS is the person to whom an appeal is made in the first instance against most decisions of a planning authority. Local governmentlocal planning authority (LPA) county council is the county planning authoritynormally has exclusive jurisdiction over mineral planning, and development control and enforcement which relate to county matters. County matters defined in Sch 1, para 1 in Act, as concerned with minerals and operational development falling partly within and partly outside a national park.district council is the district planning authority. has exclusive jurisdiction over development control and enforcement which does not concern a county matter, and hazardous substances.