Otherwise the visa application process will continue online. • Please check the online application guide before filling out the application form in this linkFill out the immigration registration form 72 hours before your trip or up to one hour before. Do Checkmig. Checkmig. Before entering or exiting Colombia, you must complete a free online form ('CheckMig') on the Migracion Colombia website. To enter and exit Colombia you need to fill out a form called a check Mig form it's linked in description it is on the Colombian website it is legit. Complete the Visa Application Accurately. Fill out the Colombian visa application form accurately and honestly. This document provides detailed instructions for applying for a visa to Colombia. If 90 days are not enough for you, you can extend Colombia tourist visa online to get 90 more days in Colombia.