Parol evidence is admissible to show that a writing was originally void or has subsequently become so.
Ala. Code § 12-21-33
Parol to Show Writing Void.
(Code 1907, §3963; Code 1923, §7659; Code 1940, T. 7, §371.)
Official source: Alabama Legislature (ALISON). Reproduced from public-domain Alabama statutes; confirm against the official source for the current text. Not legal advice.