When you arrive to the Tocumen International Airport is good to know the particular characteristics of it.The passengers that arrive had access to a shopping area duty free, open 24 hours. Is found  on the upper level , very accessible for shopping before going to migration and customs in the lower level. The IPAT(Panamerican Turismic Institute ) has an office that provides information near th  customs open from 8 a.m. to 12 p.m.