The Cooperative of Certified Guides of Yucatan lists the qualifications to provide quality services to national and foreign visitors…//
“Pirate” or bogus guides invade Mérida during summer vacation periods. Of the 450 or 500 that are estimated to work in this irregular way, half are concentrated in the Cathedral and the Plaza Grande where authorities tolerate that they solicit tourists and sell handicrafts or other products at exorbitant prices.