CheckMig allows travelers, nationals and foreigners who intend to enter or leave Colombia, to preload all the information related to their trip. You need to fill out the Check Mig Colombia Form within 72 hours of boarding your flight.Travel Authorization for. Provide details of your travel request and click Save. Filling out the Colombia Check-MIG Form is easy as it can be easily done online. Better NOT to submit the form more than 24 hours before your International flight is scheduled to arrive at the gate in Colombia. TOURIST VISA REQUIRED: Not required for stays 90 days or less. Planning on visiting Colombia soon? If so, then you will have to complete Colombia's immigration form, also known as "Check MIG". You probably need a valid passport.