After you file

What were you trying to do?  You do not "upload" a Social Security card or a birth certificate to a tax return-- not for an original nor for an amended return.   Did the IRS request some additional information from you?   Why do you think you need to send your child's SSN card or birth certificate?

**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**