Is there any law that prohibits an individual from starting an online advertising business similar to the yellow pages or white pages?.--Answer1:Absolutely not. There are however laws that protect others that may be affected by your practices. The smartest move is to research the restrictions of your practice. If you dont have your business license, get it, and while applying, look for legal notices in your industry. Make sure you apply with a federal approved website and they will have the goods.Hope this helps..--Answer2:yes you can start no law can stop you.--Answer3:I dont think so.