Amendment status not verified — confirm the current text below against the official source.
Persons who are not parties to a document, or their representatives in interest, may give evidence of any facts tending to show a contelnporaneous agreement varying the terms of the document. . Illust1'ation. A and B make a contract in writing that B shall seUA cer- tain cotton, to be paid for on delivery.' At the same time they make an oral agreement that three months' credit shall be given to A. This could not be shown as between A and B, but it might be shownby C, if it affectedhis interests. .