(1) In this part:
"issuing officer" means the registrar.
"issuing party", for a subpoena, means the party at whose request the subpoena is issued.
(2) To the extent that a subpoena requires the addressee to attend to give evidence, it is a subpoena to attend to give evidence .
(3) To the extent that a subpoena requires the addressee to produce the subpoena or a copy of it and a document or thing, it is a subpoena to produce .