Sec. 15.5  General conditions of operation.

    (a) Persons operating intentional or unintentional radiators shall 
not be deemed to have any vested or recognizable right to continued use 
of any given frequency by virtue of prior registration or certification 
of equipment, or, for power line carrier systems, on the basis of prior 
notification of use pursuant to Sec. 90.63(g) of this chapter.
    (b) Operation of an intentional, unintentional, or incidental 
radiator is subject to the conditions that no harmful interference is 
caused and that interference must be accepted that may be caused by the 
operation of an authorized radio station, by another intentional or 
unintentional radiator, by industrial, scientific and medical (ISM) 
equipment, or by an incidental radiator.
    (c) The operator of a radio frequency device shall be required to 
cease operating the device upon notification by a Commission 
representative that the device is causing harmful interference. 
Operation shall not resume until the condition causing the harmful 
interference has been corrected.
    (d) Intentional radiators that produce Class B emissions (damped 
wave) are prohibited.