My fiance's mother wants to visit him , but his income tax for 2009 not enough to sponsor his mother. Can I put my income tax to co-sign to let his mother get the visa visit US ? If its work how much my income should be that would qualify with the situation ? ( i'm a single mom with 2 kids).
Anyone can sign a Form I-134 (the affidavit of support for a visitors visa). As to the amount of income, run an internet search for "poverty guidelines." If you meet those requirements, you should be fine. In fact, a Form I-134 is not a requirement of law, but consulates can ask for it.