If they work N hours and receive fewer than $7.25 * N, then the employer is required to make up the difference. I understand there are some accounting tricks in

If they work N hours and receive fewer than $7.25 * N, then the employer is required to make up the difference. I understand there are some accounting tricks involving another $2.13/hour floor and tips, but regardless of those tricks they can't be paid less than minimum wage without the restaurant violating labor law.