Section 51

Any person required under this section merely to produce any property or document shall be deemed to have complied with the requisition if he causes the property or document to be produced instead of attending personally to produce the same.

Nothing in this section shall be deemed to affect the provisions of any law relating to evidence for the time being in force or to apply to any postal article, telegram or other document in the custody of the postal or telegraph authorities.

Delivery of certain documents