18 U.S. Code § 3046. Warrant or summons—(Rule)

(June 25, 1948, ch. 645, 62 Stat. 816.)
See Federal Rules of Criminal Procedure

Issuance upon complaint, Rule 4.

Issuance upon indictment, Rule 9.

Summons on request of government; form; contents; service; return, Rules 4, 9.