> Under federal law and in most states, employers may pay tipped employees less than the minimum wage, as long as employees earn enough in tips to make up the difference. This is called a "tip credit."

Technically you can sue your employer if they wont pay you the difference if you dont end up making enough in tips to end up at or above minimum wage - in practice however, suing your employer is generally not a great way to stay employed

http://www.nolo.com/legal-encyclopedia/michigan-laws-tipped-...