Sec. 1. 30-A MRSA §4301, sub-§1, as repealed and replaced by PL 1989, c. 878, Pt. A, §83, is repealed and the following enacted in its place:

1.__Affordable housing.__"Affordable housing" means decent, safe and sanitary dwellings, apartments or other living accommodations affordable as determined by the Maine State Housing Authority for persons or families whose incomes are less than or equal to 80% of the area median income or 80% of the state median income, whichever is less.

Sec. 2. 30-A MRSA §4301, sub-§2, as enacted by PL 1989, c. 104, Pt. A, §45 and Pt. C, §10, is amended to read:

2. Coastal area. "Coastal areas area" means all municipalities and a municipality or unorganized townships township contiguous to tidal waters and all coastal islands. The inland boundary of the coastal area is the inland line of any coastal town line.

Sec. 3. 30-A MRSA §4301, sub-§3, as amended by PL 1989, c. 562, §1, is further amended to read:

3. Comprehensive plan. "Comprehensive plan" means a document or interrelated documents containing the elements established under section 4326, subsections 1 to 4 5, including the strategies for an implementation program which that are consistent with the goals and guidelines established under subchapter II.

Sec. 4. 30-A MRSA §4301, sub-§§4-A and 4-B are enacted to read:

4-A. Critical rural area.__"Critical rural area" means a rural area specifically identified and designated by a planning district's comprehensive plan as deserving maximum protection from development to preserve natural resources and related economic activities that may include, but are not limited to, significant farmland, forest land or mineral resources, high- value wildlife or fisheries habitat, scenic areas, public water supplies, scarce or especially vulnerable natural resources or open lands functionally necessary to support a vibrant rural economy.

4-B. Critical waterfront area. "Critical waterfront area" means a shorefront area characterized by functionally water- dependent uses, as defined in Title 38, section 436-A, subsection 6, and specifically identified and designated by a