Pennsylvania Statutes Title 53 P.S. Municipal and Quasi-Municipal Corporations § 10301.5. Funding of municipal planning 

Priority for State grants to develop or revise comprehensive plans shall be given to those municipalities which agree to adopt comprehensive plans generally consistent with the county comprehensive plan and which agree to enact a new zoning ordinance or amendment which would fully implement the municipal comprehensive plan.  No more than 25% of the total funds available for these grants shall be disbursed under priority status pursuant to this provision.  Municipalities and counties shall comply with these agreements within three years.  Failure to comply with the agreements shall be taken into consideration for future State funding.