Section 52 — Controlled Drugs and Substances Act: Proof of notice

For the purposes of this Act and the regulations, the giving of any notice, whether orally or in writing, or the service of any document may be proved by the oral evidence of, or by the affidavit or solemn declaration of, the person claiming to have given that notice or served that document. Notwithstanding subsection (1), the court may require the affiant or declarant to appear before it for examination or cross-examination in respect of the giving of notice or proof of service.