Follow these links to the IRS website to learn how to file for an adoption tax credit or exclusion and for information regarding required attachments:
https://www.irs.gov/pub/irs-pdf/i8839.pdf
https://www.irs.gov/taxtopics/tc607
For more information please visit www.irs.gov or http://www.americanadoptions.com/adopt/adoption_tax_credit