---
kind: "section"
citation: "10 C.F.R. § 13.8"
title: "10"
number: "13.8"
heading: "Service of complaint."
url: "https://uscodex.org/cfr/10/13.8"
---

# §13.8. 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

### Amendments

[56 FR 47135, Sept. 18, 1991, as amended at 71 FR 15007, Mar. 27, 2006]

### Authority

Authority: 31 U.S.C. 3801 through 3812; 44 U.S.C. 3504 note. Section 13.3 also issued under 28 U.S.C. 2461 note. Section 13.13 also issued under 31 U.S.C. 3730.

### Source

Source: 56 FR 47135, Sept. 18, 1991, unless otherwise noted.

### Amendments

[56 FR 47135, Sept. 18, 1991, as amended at 71 FR 15007, Mar. 27, 2006]