https://www.taxaudit.com/irs-letters/irs-letter-cp75a-sample-1 https://www.taxaudit.com/irs-letters/irs-letter-cp75a-sample... This is what a typical audit of

https://www.taxaudit.com/irs-letters/irs-letter-cp75a-sample-1 https://www.taxaudit.com/irs-letters/irs-letter-cp75a-sample... This is what a typical audit of EITC looks like. It is literally "send us some forms and some proof like a birth certificate showing you're the parent of the child you're claiming".