may give such orders as are necessary to: (a) enable the plaintiff to obtain evidence of any infringement which he intends to adduce at the trial; (b) prohibit the defendant from removing his assets from the jurisdiction of the court or otherwise wasting them, to the extent that such assets are necessary to satisfy the plaintiffs claim if his succeeds at the trial. (3) In any proceedings to which subsection (2)(a) applies: (a) a person shall not be excused from answering any question put to that person or complying with any order made pursuant to that subsection by reason only that to do so would tend to expose that person or his spouse to criminal proceedings under this Act; (b) no statement or admission made by a person in answer to a question put, or an order made, in accordance with that subsection shall be admissible in criminal proceedings brought under this Act against that person or his spouse, save that nothing in this paragraph shall render any such statement or admission inadmissible in proceedings against that person for perjury or contempt of court. (4) The court may order that all reproductions, duplications, extracts, imitations and other material involved in the infringement and all implements or devices used in such infringement be given to the copyright owner, or, if such material be dangerous to the public, be destroyed by the court. (5) For the purposes of this Part, "owner of copyright" means the first owner, an assignee or an exclusive licensee, as the case may be, of the relevant portion of the copyright. Proof of facts in proceedings 50. An affidavit made on oath, affirmation or other like manner before a magistrate, notary public or other person competent to administer an oath or affirmation under the law of the country where the oath was made, which: (a) purports to have been made by or on behalf of the owner of the copyright or his successor in title, and (b) states all or any of the following: 40