The governing body shall, at least every six years, provide for a general reexamination of the Master Plan and this chapter by the Planning Board, which shall prepare a report on the findings of such reexamination, a copy of which shall be sent to the County Planning Board and the Municipal Clerk of each adjoining municipality. The six-year period shall commence with the adoption or termination of the last general reexamination of such plan and regulations. The first such reexamination shall be completed within six years after February 1, 1979, or by February 1, 1985.