Section 5
Time, place and purpose of attendance to be specified in summons.—Every summons for the attendance of a person to give evidence or to produce a document shall specify the time and place at which he is required to attend, and also whether his attendance is required for the purpose of giving evidence or to produce a document or for both purposes; and any particular document, which the person summoned is called on to produce shall be described in the summons with reasonable accuracy.