Please follow https://www.eitc.irs.gov/tax-preparer-toolkit/preparer-due-diligence/due-diligence-law/eitc-due-diligence-law-and-regulation.

Please follow https://www.eitc.irs.gov/tax-preparer-toolkit/preparer-due-diligence/due-diligence-law/eitc-due-diligence-law-and-regulation.