[HISTORY: Adopted by the Board of Supervisors of Upper Merion Township: Art. I, 5-7-1956 as Ord. No. 37; Art. II, 9-26-1960 as Ord. No. 91; Art. III, 5-11-1987 as Ord. No. 87-504; Art. IV, 5-11-1987 as Ord. No. 87-505. Amendments noted where applicable.]