Please note that Facebook has many various ways of holding voting contests. Everything from a simple vote button and like to Polls, Tagging, Sharing, and more. Please take note that when you post your no-return disclaimer in your header it is best to cover all forms that you don't return. Some people will just say "I do NOT return Facebook" which would blanket cover ALL of Facebook. Some people will return likes or votes, but not tagging, sharing etc. Please list ALL forms that you do not return. Some samples:
I do NOT return FB except Simple Vote button ONLY
I do NOT return FB Likes/Polls/Sharing or Tagging
I do NOT return FB except Likes/Votes
I do NOT return FB if it asks for sensitive information
Please note that we will NOT combine likes and polls, you must specify both.