The answer is YES.
The Ad networks "require" to editors to use their policies, but and they?
- The ad networks charge $20.17 to sponsors, and pay a publishers 27 cents by cpm
Why not Best Practices for Ad networks?
The Ad networks working with Publishers are required to follow, understand an adhere to the following policies, so please read them thoroughly and in full. If they fail to comply with these policies, the publishers reserve the right to disable your ad serving in our sitea and/or terminate our business.
Due to the possibility of changes to our policies at any time, please regularly check here for updates or if not please contact firstname.lastname@example.org. In accordance with our Best Practices for Ad networks , it's your responsibility to keep up to date with, and adhere to, the policies posted here.
1.- The CPM for publisher always >70% of income.
2.- Not terminated accounts publishers without comunicate directly by email and phone and try to solve any problem.
3.- The Ad networks must to Pay us by the use the cookies in ours web pages.
4.- The publishers have a legal spokesman for any polices of best practices for publishers.