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So it is entirely possible that they did not file returns since they made less than the threshold
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<p>They should still file their taxes as while they may not owe the IRS, they could still be eligible for credits (refunds) that they are not receiving either. They should atleast file for 2005 and if they owe nothing, it's no harm/ no file. </p>
<p>They definitely will need to file for the 2006 tax year going forward if they want their child to have any chance of receiving financial aid, even basic federal aid (pell grants, stafford loans ) or state aid because the school will have to verify the income.</p>