[Code of Federal Regulations] [Title 47, Volume 3] [Revised as of October 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 47CFR68.300] [Page 381] TITLE 47--TELECOMMUNICATION CHAPTER I--FEDERAL COMMUNICATIONS COMMISSION (CONTINUED) PART 68_CONNECTION OF TERMINAL EQUIPMENT TO THE TELEPHONE NETWORK --Table of Contents Subpart D_Conditions for Terminal Equipment Approval Sec. 68.300 Labeling requirements. Authority: Secs. 4, 5, 303, 48 Stat., as amended, 1066, 1068, 1082 (47 U.S.C. 154, 155, 303). Source: 45 FR 20853, Mar. 31, 1980, unless otherwise noted. (a) Terminal equipment approved as set out in this part must be labeled in accordance with the requirements published by the Administrative Council for Terminal Attachments and with requirements of this part for hearing aid compatibility and volume control. (b) As of April 1, 1997, all registered telephones, including cordless telephones, as defined in Sec. 15.3(j) of this chapter, manufactured in the United States (other than for export) or imported for use in the United States, that are hearing aid compatible, as defined in Sec. 68.316, shall have the letters ``HAC'' permanently affixed thereto. ``Permanently affixed'' shall be defined as in paragraph (b)(5) of this section. Telephones used with public mobile services or private radio services, and secure telephones, as defined by Sec. 68.3, are exempt from this requirement. [62 FR 61664, Nov. 19, 1997, as amended at 64 FR 3048, Jan. 20, 1999; 66 FR 7585, Jan. 24, 2001]