# Interoperability and portability.
**AGENCY:**
Federal Communications Commission.
**ACTION:**
Correcting amendments.
**SUMMARY:**
An amendment to the rules of the Federal Communications Commission (Commission) published in the *Federal Register* on July 7, 2021. The document inadvertently removed the incorporation by reference for the Request for Comments (RFC) 6351, xCard; vCard XML Representation and inadvertently retained the incorpation by reference for the Interoperabilty Profile for Relay User Equipment. This document corrects the regulation.
**DATES:**
Effective on October 5, 2021
**FOR FURTHER INFORMATION CONTACT:**
Michael Scott, Consumer and Governmental Affairs Bureau, at (202) 418-1264, or email *[email protected].*
**SUPPLEMENTARY INFORMATION:**
This document corrects 49 CFR 64.621. The final rules document published at 86 FR 35632, July 7, 2021.
**List of Subjects in 47 CFR Part 64**
Incorporation by reference, Individuals with disabilities, Telecommunications, Telecommunications relay services.
Federal Communications Commission.
Gregory Haledjian,
Legal Advisor, Consumer and Governmental Affairs Bureau.
**Final Rules**
For the reasons discussed in the preamble, the Federal Communications Commission corrects 47 CFR part 64 by making the following correcting amendment:
**PART 64—MISCELLANEOUS RULES RELATING TO COMMON CARRIERS**
**47 CFR Part 64**
1. The authority citation for part 64 continues to read as follows:
**Authority:**
47 U.S.C. 151, 152, 154, 201, 202, 217, 218, 220, 222, 225, 226, 227, 227b, 228, 251(a), 251(e), 254(k), 262, 276, 403(b)(2)(B), (c), 616, 620, 1401-1473, unless otherwise noted; Pub. L. 115-141, Div. P, sec. 503, 132 Stat. 348, 1091.
**47 CFR Part 64**
2. Amend § 64.621 by:
a. Removing and reserving paragraph (c)(2)(i); and
b. Adding paragraph (c)(2)(ii).
The revision reads as follows:
§ 64.621
(c) * * *
(2) * * *
(ii) Request for Comments (RFC) 6351, xCard: vCard XML Representation (August 2011) *https://tools.ietf.org/html/rfc6351.*