Except as provided in AS 34.08.050, the provisions of AS 34.08.110, 34.08.120, 34.08.290, 34.08.320(a)(1) - (6) and (11) - (16), 34.08.420, 34.08.470, 34.08.490, 34.08.510, 34.08.590, 34.08.670, 34.08.720, 34.08.730, 34.08.740, and 34.08.990, to the extent necessary in construing any of those sections, apply to all common interest communities created in the state before January 1, 1986, except that the sections apply only with respect to events and circumstances occurring after January 1, 1986, and do not invalidate existing provisions of the declaration, bylaws, or plats or plans of the common interest communities.