In general, theparol evidencerule states that:

(A)A contract may never be altered in any way, under any conditions.

(B)Oral evidence will not be admissible to add to or change a contract once it is reduced to writing.

(C)Oral evidence relating to a contract will not be admissible under any circumstances whatsoever.

(D)Only partially integrated contracts will be open to interpretation by the court.