Section 5057 - Applicability(a) Interests created after effective date.--This act shall apply to any interest created after the effective date of this act which complies with this act, whether designated as a conservation or preservation easement or as a covenant, equitable servitude, restriction, easement or otherwise.(b) Interests created before effective date.--This act shall apply to any interest created before the effective date of this act when the interest would have been enforceable had it been created after the effective date of this act and has been recorded or, if not previously recorded, is recorded or otherwise placed of record within 180 days of the effective date of this act unless retroactive application contravenes the Constitution of the United States or laws of the United States or of this Commonwealth.(c) Enforceable interests not invalidated.--This act does not invalidate any interest, whether designated as a conservation or preservation easement or as a covenant, equitable servitude, restriction, easement or otherwise, enforceable under another law of this Commonwealth or the common law.(d) Agricultural Area Security Law.--Notwithstanding any other provision of this act, nothing contained in this act shall be construed as altering, modifying or superseding either the method of creating agricultural conservation easements or the rights, duties, powers and obligations appurtenant to these easements under the act of June 30, 1981 (P.L. 128, No. 43) , known as the Agricultural Area Security Law.2001, June 22, P.L. 390, No. 29, § 7, imd. effective.