Your child was paid as if she is an "independent contractor" since no tax with withheld. That means she is going to owe some self employment tax for Social Security and Medicare. She will not owe any actual federal tax.
https://ttlc.intuit.com/community/self-employed/help/what-is-the-self-employment-tax/00/25922
https://ttlc.intuit.com/questions/2902389-why-am-i-paying-self-employment-tax
**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.**
