Section 6506 - Relationship to other land-use law(a) Effect on unauthorized uses.--This chapter does not authorize a use of real property which is otherwise prohibited by: (2) law other than this chapter regulating use of real property; or(3) a recorded instrument which has priority over the environmental covenant.(b) Effect on authorized uses.--An environmental covenant may prohibit or restrict uses of real property which are authorized by zoning or by law other than this chapter. 2007, Dec. 18, P.L. 450, No. 68, § 1, effective in 60 days [2/19/2008].