Credit Resolutions

This customer signed all documents and agreed for me to file his taxesI have explained to him in detail and he agreed and signed all paper work necessary which I have on fileThe customer paid $for services renderedTwo hours later his wife called and stated that the taxes was done
wrong because she claims he gets credit for child supportI asked her to provided the documents that state he gets credit for child supportHis wife returned to the office and agreed to pay only $for the services I providedShe did not provide any documentation that would support the fact that her husband would get credit for paying child support