The Mexico Work Visa is required for foreign nationals who intend to undertake paid employment in Mexico. The Mexican immigration system distinguishes between employment for stays of up to 180 days and employment requiring temporary residence for longer periods. In employment cases, the prospective employer in Mexico generally begins the process by obtaining the required work authorization or NUT from the National Migration Institute. The applicant then applies for the corresponding visa at a Mexican consulate. For employment lasting more than 180 days, a Temporary Resident visa is generally used, followed by the required immigration procedure after arrival. Travelers should not begin paid employment before obtaining the appropriate authorization.