I do not understand. You are giving child support in Mexico yet the children live in the US? Who are you giving the child support to? Where is the mother of the children? If they are living with the grandparents then who gets the child support? You need to ask someone to help you reword this question because right now it makes no sense.
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If you are paying by check that is proof of child support payment. If you're not paying by check, start now.
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