Laws are for American citizens only. How much you want to bet she is collecting welfare and lives in section 8 housing, free health care.
If she only has a $15 profit from selling the tamales, you can bet on it that she is getting welfare and other freebies.
Tens of millions of legal and illegal immigrants and minorities (and smaller number of whites) earn lots of off the books cash money while sucking off our social welfare system. Paying taxes is for suckers and white people, with lots of overlap there.