Government and public statistics
47 CFR 64.604: Mandatory minimum standards for telecommunications relay services
U.S. Federal Communications Commission, Code of Federal Regulations, via Legal Information Institute, n.d.
Read the originalRead on October 16, 2026
- What it is
- The federal rule that sets the minimum standards for telecommunications relay services, including IP captioned telephone service (IP CTS), its required consumer notices and how its costs are recovered.
- How much weight it carries
- The text of the federal regulation, as published by the Legal Information Institute. Amendments since the page was copied may change details, so check the current eCFR before relying on a single rule.
Facts taken from this source
- The required federal consumer text says each minute of captions has a cost, paid from a federally administered fund.
“There is a cost for each minute of captions generated, paid from a federally administered fund.” (Required consumer notice, 47 CFR 64.604)
- The FCC rules say the costs of IP CTS are recovered from all subscribers for every interstate and intrastate service.
“shall be recovered from all subscribers for every interstate and intrastate service” (Cost recovery, 47 CFR 64.604(c)(5))
- The required federal notice says that only registered users with hearing loss may use IP captioned telephones with the captions turned on.
“FEDERAL LAW PROHIBITS ANYONE BUT REGISTERED USERS WITH HEARING LOSS FROM USING INTERNET PROTOCOL (IP) CAPTIONED TELEPHONES WITH THE CAPTIONS TURNED ON.” (Required consumer notice, 47 CFR 64.604)