---
kind: "section"
citation: "10 C.F.R. § 1013.8"
title: "10"
number: "1013.8"
heading: "Service of complaint."
url: "https://uscodex.org/cfr/10/1013.8"
---

# §1013.8. Service of complaint.

- (a) Service of a complaint must be made by certified or registered mail or by delivery in any manner authorized by [Rule 4(d)](/cfr/10/4.md?p=d) of the Federal Rules of Civil Procedure. Service is complete upon receipt.
- (b) Proof of service, stating the name and address of the person on whom the complaint was served, and the manner and date of service, may be made by—
  - (1) Affidavit of the individual serving the complaint by delivery;
  - (2) A United States Postal Service return receipt card acknowledging receipt; or
  - (3) **Written acknowledgment of receipt by the defendant or his or her representative.**

## Notes

### Authority

Authority: 31 U.S.C. 3801-3812; 28 U.S.C. 2461 note.

### Source

Source: 53 FR 44385, Nov. 3, 1988, unless otherwise noted.