Section 133

any statement made by any person to an authorised officer in the course of an investigation under this Order; and

any document, or copy of any document, seized from any person by an officer of an authorised officer in exercise of his powers under this Order, shall be admissible in evidence in any proceedings under this Order before any court, where the person who made the statement or the document or the copy of the document is dead, or cannot be traced or found, or has become incapable of giving evidence, or whose attendance cannot be procured without an amount of delay or expense which appears to the court unreasonable.

Proof of conviction and acquittal.