Subchapter I. Commencement of a Case 11 U.S. Code §301. Voluntary cases 11 U.S. Code §302. Joint cases 11 U.S. Code §303. Involuntary cases 11 U.S. Code §305. Abstention 11 U.S. Code §306. Limited appearance 11 U.S. Code §307. United States trustee 11 U.S. Code §308. Debtor reporting requirements