NPPA: Code of Ethics ..
NPPA ... is National Press Photographers Association
We believe that pictures, whether used to depict news events as they actually happen, illustrate news that has happened, or to help explain anything of public interest, are indispensable means of keeping people accurately informed, that they help all people, young and old, to better understand any subject in the public domain. NPPA recognizes and acknowledges that photojournalists should at all times maintain the highest standards of ethical conduct in serving the public interest.
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