---
kind: "section"
citation: "31 C.F.R. § 16.8"
title: "31"
number: "16.8"
heading: "Service of complaint."
url: "https://uscodex.org/cfr/31/16.8"
---

# §16.8. Service of complaint.

- (a) Service of a complaint must be made by a certified or registered mail or by delivery in any manner authorized by [Rule 4(d)](/cfr/31/4.md?p=d) of the Federal Rules of Civil Procedure.
- (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 making service;
  - (2) An acknowledged United States Postal Service return receipt card; or
  - (3) **Written acknowledgement of the defendant or his representative.**

## Notes

### Authority

Authority: 31 U.S.C. 3801-3812.

### Source

Source: 52 FR 35071, Sept. 17, 1987, unless otherwise noted.