47 CFR § 95.933 - Prohibited CBRS uses.
(a) To transmit one-way communications other than those permitted in § 95.931(b) (transmissions to seek to initiate two-way communications with another station are not considered to be one-way communications);
(b) To advertise or solicit the sale of any goods or services;
(c) To advertise a political candidate or political campaign (a CBRS station may be used for the business or organizational aspects of a campaign);
(f) To transmit music, whistling, sound effects or any other audio material to amuse or entertain; or
(g) To transmit any sound effects solely to attract attention.