47 CFR § 64.636 - Prohibition of default provider freezes.

---
identifier: "/us/cfr/t47/s64.636"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "47 CFR § 64.636 - Prohibition of default provider freezes."
title_number: 47
title_name: "Telecommunication"
section_number: "64.636"
section_name: "Prohibition of default provider freezes."
chapter_name: "FEDERAL COMMUNICATIONS COMMISSION"
subchapter_number: "B"
subchapter_name: "COMMON CARRIER SERVICES"
part_number: "64"
part_name: "MISCELLANEOUS RULES RELATING TO COMMON CARRIERS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
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), 255, 262, 276, 403(b)(2)(B), (c), 616, 620, 716, 1401-1473, unless otherwise noted; Pub. L. 115-141, Div. P, sec. 503, 132 Stat. 348, 1091; Pub. L. 117-338, 136 Stat. 6156."
regulatory_source: "28 FR 13239, Dec. 5, 1963, unless otherwise noted."
cfr_part: "64"
---


# 64.636 Prohibition of default provider freezes.

(a) A default provider freeze prevents a change in an iTRS user's default provider selection unless the iTRS user gives the provider from whom the freeze was requested his or her express consent.

(b) Default provider freezes shall be prohibited.

[78 FR 40609, July 5, 2013]