---
title: "Fex v. Michigan"
citation: "507 U.S. 43 (1993)"
authority_id: "AUTH-SCOTUS-FEX-507-US-43"
authority_type: "case"
jurisdiction: "federal_nationwide"
precedential_status: "binding"
official_url: "https://www.govinfo.gov/content/pkg/USREPORTS-507/pdf/USREPORTS-507-43.pdf"
url: "https://jason93.com/legal/federal-process/authorities/AUTH-SCOTUS-FEX-507-US-43/"
legal_review: "2026-08-25"
links_checked: "2026-10-15"
links_available: 1
links_checked_count: 1
license: "CC BY 4.0"
---

# Fex v. Michigan

## Holding or rule used

IADA Article III's 180 days begin on actual delivery to prosecutor and court.

## Material limitation

Use only for the bounded proposition and limitations in the linked canonical modules. Individual custody, computation, program, placement, administrative, circuit, and remedy facts remain separate.

## Official source and pinpoints

507 U.S. 43 (1993), 507 U.S. 47–52: <https://www.govinfo.gov/content/pkg/USREPORTS-507/pdf/USREPORTS-507-43.pdf>


## Used in

- [Detainers, Prison Discipline, Good-Time Consequences, and RDAP](https://jason93.com/legal/federal-process/modules/80-sentence-execution-and-bop/detainers-discipline-and-rdap.md)