The parol evidence rule is relevant only in cases:

A) that are oral in nature.
B) where parties have expressed their agreement in a written contract.
C) of the sale of goods.
D) subsequent modification do not have a suitable consideration.

Parol Evidence Rule

A legal rule that prevents the introduction of outside evidence to modify, vary, or contradict the terms of a written contract.

Oral Nature

Pertains to information, agreements, or processes that are conveyed, conducted, or based on spoken communication rather than written.

Written Contract

A legally binding agreement between parties that is expressed in written form and signed by those involved.