“Nature Photography is restricted to the use of the photographic process to depict observations from all branches of natural history, except anthropology and archeology, in such a fashion that a well informed person will be able to identify the subject material and certify as to its honest presentation. The story telling value of a photograph must be weighed more than the pictorial quality while maintaining a high technical quality.

Human elements shall not be present, except on the rare occasion where those human elements enhance the nature story. The presence of scientific bands, scientific tags or radio collars on wild animals is permissible. Photographs of artificially produced hybrid plants or animals, mounted specimens, or obviously set arrangements, are ineligible, as is any form of manipulation that alters the truth of the photographic statement.

No techniques that add to, relocate, replace, or remove pictorial elements except by cropping are permitted. Techniques that enhance the presentation of the photography without changing the nature story or the pictorial content are permitted. All adjustments must appear natural."