>>5487831
FISC Rule 17 – no hearing required, no in court presentation of evidence required. Just "may" require it, but it's optional.
https://www.fisc.uscourts.gov/sites/default/files/FISC%20Rules%20of%20Procedure.pdf
Rule 17. Hearings.
(a) Scheduling. The Judge to whom a matter is presented or assigned must determine
whether a hearing is necessary and, if so, set the time and place of the hearing.
(b) Ex Parte. Except as the Court otherwise directs or the Rules otherwise provide, a
hearing in a non-adversarial matter must be ex parte and conducted within the Court's
secure facility.
(c) Appearances. Unless excused, the government official providing the factual
information in an application or certification and an attorney for the applicant must attend
the hearing, along with other representatives of the government, and any other party, as
the Court may direct or permit.
( d) Testimony; Oath; Recording of Proceedings. A Judge may take testimony under
oath and receive other evidence. The testimony may be recorded electronically or as the Judge may otherwise direct, consistent with the security measures referenced in Rule 3.