21 CFR § 810.4 - Service of orders.

---
identifier: "/us/cfr/t21/s810.4"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "21 CFR § 810.4 - Service of orders."
title_number: 21
title_name: "Food and Drugs"
section_number: "810.4"
section_name: "Service of orders."
chapter_name: "FOOD AND DRUG ADMINISTRATION, DEPARTMENT OF HEALTH AND HUMAN SERVICES"
subchapter_number: "H"
subchapter_name: "MEDICAL DEVICES"
part_number: "810"
part_name: "MEDICAL DEVICE RECALL AUTHORITY"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "21 U.S.C. 321, 331, 332, 333, 334, 351, 352, 355, 360h, 360i, 371, 374, 375."
regulatory_source: "61 FR 59018, Nov. 20, 1996, unless otherwise noted."
cfr_part: "810"
---


# 810.4 Service of orders.

Orders issued under this part will be served in person by a designated employee of FDA, or by certified or registered mail or similar mail delivery service with a return receipt record reflecting receipt, to the named person or designated agent at the named person's or designated agent's last known address in FDA's records.