1. The observance of copyright laws, the proper attribution of authorship in case of quotation and reference
2. Avoiding plagiarism
3. Avoiding direct advertising
4. Avoiding unsubstantiated criticisms of the leaders of countries, corporations, and participants in dialogue
5. Refraining from making disparaging remarks based on nationality, religion, physical attributes, or any other principle
6. Preventing calls for action that are in contravention of criminal law, human rights, the constitutional law of states, etc.