OK to Board is compulsory for those travelers who have copy of visa and also traveling from Pakistan, India, Bangladesh, SriLanka and Nepal. Without OK To Board passenger can't travel for United Arab Emirates. OK to Board is just a verification of UAE visa and different airlines having different way of OK to board facility. Normally airlines update the status of the passengers in the system after verification of visa. If you are traveling on Emirates Airline then Click here and update your visa status in the system of Emirates Airline. Many Airlines offering stamp of OK To Board on the Visa that is the sighn of verification.