--- title: "Castro v. United States" citation: "540 U.S. 375 (2003)" authority_id: "AUTH-SCOTUS-CASTRO-540-US-375" authority_type: "case" jurisdiction: "federal_nationwide" precedential_status: "binding" official_url: "https://www.govinfo.gov/content/pkg/USREPORTS-540/pdf/USREPORTS-540-375.pdf" url: "https://jason93.com/legal/federal-process/authorities/AUTH-SCOTUS-CASTRO-540-US-375/" legal_review: "2026-08-25" links_checked: "2026-10-15" links_available: 1 links_checked_count: 1 license: "CC BY 4.0" --- # Castro v. United States ## Holding or rule used Notice, warning, and withdrawal-or-amendment protections before first-motion recharacterization. ## Material limitation Use only for the bounded proposition in the linked § 2255 module. State-habeas holdings are not silently converted into direct § 2255 holdings; record, circuit, local, deadline, custody, waiver, and classification issues remain separate where identified. ## Official source and pinpoints 540 U.S. 375 (2003), 540 U.S. 381–84: ## Used in - [Section 2255 Screening, Hearing, Appeal, and Postjudgment Motions](https://jason93.com/legal/federal-process/modules/60-post-conviction/2255-procedure-hearing-appeal-and-postjudgment.md) - [Later Section 2255 Filings — Classification and Authorization](https://jason93.com/legal/federal-process/modules/60-post-conviction/2255-later-filings-classification-and-authorization.md)