[Code of Federal Regulations]
[Title 47, Volume 1]
[Revised as of October 1, 2001]
From the U.S. Government Printing Office via GPO Access
[CITE: 47CFR15.21]

[Page 675]
 
                       TITLE 47--TELECOMMUNICATION
 
              CHAPTER I--FEDERAL COMMUNICATIONS COMMISSION
 
PART 15--RADIO FREQUENCY DEVICES--Table of Contents
 
                           Subpart A--General
 
Sec. 15.21  Information to user.

    The users manual or instruction manual for an intentional or 
unintentional radiator shall caution the user that changes or 
modifications not expressly approved by the party responsible for 
compliance could void the user's authority to operate the equipment.