A. This Chapter applies to any interest created after December 31, 1986 which complies with the provisions of this Chapter, whether designated as a conservation servitude or as a covenant, equitable servitude, restriction, or otherwise.
B. This Chapter applies to any interest created before January 1, 1987 if it would have been enforceable had it been created after December 31, 1986 unless retroactive application contravenes the constitution or laws of this state or the United States.
C. This Chapter does not invalidate any interest, whether designated as a conservation or preservation servitude or as a covenant, equitable servitude, restriction, or otherwise, that is enforceable under any other law of this state.