If a subdivision received preliminary plat approval before July 1, 1982, but the subdivision plat or the plat of the first phase is not filed under ORS 92.120 before January 1, 1984, the provisions of ORS 94.595, 94.604, 94.609, 94.616, 94.700, 94.760 and 94.780 shall apply to the planned community.
ORS 94.783