22. Functions and powers of Planning and Development Authorities.

(a) to prepare an Existing Land Use Map;
(b) to prepare an Outline Development Plan;
(c) to prepare a Comprehensive Development Plan;
(d) to prepare and prescribe uses of land within its area; and
(e) to prepare schemes of development and undertake their implementation, and for these purposes, it may carry out or cause to be carried out, surveys of the planning area and prepare report or reports of such surveys, and to perform such other functions as may be prescribed.