(a) After preparation of the comprehensive development plan by the Department and approval by the Planning Board, the plan shall be reviewed by the County Executive and presented to the County Council. The County Council shall hold public hearings on the proposed plan or portions thereof in the same manner and under the same procedure required for the consideration and adoption of ordinances. The County Council may adopt all or any portions of the comprehensive development plan.
(b) After adoption of all or portions of the comprehensive development plan by the County Council, the plan shall be viewed as a document expressing the general policies and intentions of the County Council with respect to the future development of the County. It shall not have the force and effect of a law or ordinance. After adoption of all or parts of the plan by the County Council, any proposed action of the County Council relating to:
(1) The location, opening, vacation, extension, widening, narrowing or enlargement of any public ground, pierhead or watercourse or street;
(2) The location, erection, demolition, removal or sale of any public structure; or
(3) The adoption, repeal or amendment of an official map, subdivision and land development ordinance, or zoning ordinance
shall be taken in compliance with the following requirements: