http://www.forsaving.com/usa-travel-deals/question-for-anyone-who-has-stayed-at-a-vegas-hotel-for-a-convention/ Rating: 0 Posted By: phillytovegas Views: 68 Replies: 1 Hi there! If you have stayed at a Las Vegas hotel for a convention - can you tell me were you ever asked for proof of attendance to the convention at check-in?Thank you! Wed, 08 Sep 2010 06:05:37 MDT en