Secondary evidence of the contents of a lost writing.
Section 321
SEC. 321. Secondary evidence of the contents of a lost writing. — An original writing must be produced and proved, except as otherwise provided in this Act. If it has been lost, proof of the loss must first be made before evidence can be given of its contents. Upon such proof being made, together with proof of the due execution of the writing, its contents may be proved by a copy or by a recital of its contents in some authentic document, or by the recollection of a witness.