A historic preservation easement granted to a governmental entity or to a charitable or educational association, corporation, trust, or other legal entity whose purposes include the preservation or restoration of structures or sites described in section 2140(b) is enforceable against the owner of the structure or site subject to the easement despite a lack of privity of estate or contract, a lack of benefit running to the particular structure or site, or the fact that the benefit may be assigned to another governmental entity or legal entity whose purposes include the preservation or restoration of structures or sites described in section 2140(b), including a historic preservation easement executed before March 31, 1981. The easement shall be recorded with the register of deeds in the county in which the land is located to be effective against a bona fide purchaser for value without actual notice.