Rule 1412 If the testimony of a subscribing witness is required by statute to authenticate a writing and the subscribing witness denies or does not recollect th…

When someone signs a document as a witness, they are called a "subscribing witness." Some laws require that person to testify in court to prove the document is real.

But if that witness says they don't remember signing or denies it ever happened, you don't have to give up. You can use other types of evidence to prove the document is genuine. For example, you might use handwriting samples or other witnesses who know the facts surrounding the document.