# [Amended]
**AGENCY:**
Department of State.
**ACTION:**
Final rule.
**SUMMARY:**
This rule provides an additional change in the address for service of process for summonses, complaints, or other legal documents directed to the Department of State or to any Department employee or former employee in connection with Federal or State litigation.
**DATES:**
This rule is effective January 16, 2026.
**FOR FURTHER INFORMATION CONTACT:**
Alice Kottmyer, Attorney Adviser, Office of Management, *[email protected].*
**SUPPLEMENTARY INFORMATION:**
For background and Regulatory Analyses, please see the final rule at 91 FR 1245 on January 13, 2026. This rule provides a further modification to § 172.3.
**List of Subjects in 22 CFR Part 172**
Administrative practice and procedure, Courts, Government employees.
Accordingly, for the reasons stated in the preamble, the Department of State amends part 172 of title 22, Code of Federal Regulations, as follows:
**PART 172—SERVICE OF PROCESS; PRODUCTION OR DISCLOSURE OF OFFICIAL INFORMATION IN RESPONSE TO COURT ORDERS, SUBPOENAS, NOTICES OF DEPOSITIONS, REQUESTS FOR ADMISSIONS, INTERROGATORIES, OR SIMILAR REQUESTS OR DEMANDS IN CONNECTION WITH FEDERAL OR STATE LITIGATION; EXPERT TESTIMONY**
**22 CFR Part 172**
1. The authority citation for part 172 continues to read as follows:
**Authority:**
5 U.S.C. 301; 8 U.S.C. 1202(f); 22 U.S.C. 2651a, 2664, 3926.
§ 172.3
**22 CFR Part 172**
2. Amend § 172.3, paragraphs (a) introductory text and (d) by removing the text “L/EX” and adding in its place the text “S/ES-EX”.
Alice M. Kottmyer,
Attorney-Adviser, Office of the Legal Adviser, Department of State.