Rules on Civil Procedure
Section 1. Request for admission. - At any time after issues have been joined, a party may file and serve upon any other party may file and serve upon any other party a written request for the admission by the latter of the genuineness of any material and relevant document described in and exhibited with the request or of the truth of any material and relevant matter of fact set forth in the request. Copies of the documents shall be delivered with the request unless copy have already been furnished. (1a)