I suspect you mean Social Security----which is not SSI---Do you have a SSA1099? If you are looking for a Tax ID you are trying to enter the SSA1099 in the wrong place.
Go to Federal> Wages & Income>>Retirement Plans and Social Security (SSA1099 and 1099RRB) to enter your SSA1099.
**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.**
