My mom lives in Cordoba, she works in a public school (government) and she is coming to visit me in a month. She has her airplane tickets and her visa (not the first time she comes), however, when she went to the AFIP to fill out the 'form', they wouldn't even give it to her. All they said was...
Have you considered LAN? I always fly with them, they have the best service and price. I have tried all off them (American usually connects with LAN), and LAN is my favorite, although I always do NY-Cordoba, Arg.