; (B) a petition for an extreme risk protection order or any pleading, subpoena, warrant, or motion in connection with an extreme risk protection order; or (C) any order or order to show cause necessary to obtain or give effect to this section. (3) Confidentiality A Federal order petitioner who is a law enforcement officer may provide the identity of the petitioner’s sources, and any identifying information, to the court under seal. (c) Ex parte orders (1) Timing (A) In general Except as provided in subparagraph (B), a court that receives a petition for an ex parte Federal order under subsection (b) shall grant or deny the petition on the date on which the petition is submitted. (B) Late petitions If a court receives a petition for an ex parte Federal order submitted under subsection (b) too late in the day to permit effective review, the court shall grant or deny the petition on the next day of judicial business at a time early enough to permit the court to file an order with the clerk of the court during that day. (2) Evidence required Before issuing an ex parte Federal order, a court shall require that the petitioner for such order submit a signed affidavit, sworn to before the court, that— (A) explains why such petitioner believes that the Federal order respondent poses a risk of imminent personal injury to self or another individual, by purchasing, possessing, or receiving a firearm or ammunition; and (B) describes the interactions and conversations of the petitioner with— (i) the respondent; or (ii) another individual, if such petitioner believes that information obtained from that individual is credible and reliable. (3) Standard for issuance of order A court may issue an ex parte Federal order only upon a finding of probable cause to believe that— (A) the Federal order respondent poses a risk of imminent personal injury to self or another individual, by purchasing, possessing, or receiving a firearm or ammunition