I am a US citizen married to a Mexican citizen and went to vist for the six months allowed on a tourist visa. After leaving Mexico can I return the day after and receive another six months or how long must I wait to be able to return to Mexico lawfully?
You can leave, go have lunch and return right away with a new FMM. or, if you are going to LIVE in Mexico, go to the Mexican consulate nearest your American home and apply for a residence visa. See site below.