Printed on US currency you will find "THIS NOTE IS LEGAL TENDER FOR ALL DEBTS, PUBLIC AND PRIVATE". Some businesses have refused to accept larger bills for a long time, as other forms of payment have become more popular, some are refusing cash completely. In what cases can a business refuse to accept cash?

Printed on US currency you will find "THIS NOTE IS LEGAL TENDER FOR ALL DEBTS, PUBLIC AND PRIVATE". Some businesses have refused to accept larger bills for a long time, as other forms of payment have become more popular, some refuse cash completely. In what cases can a business refuse to accept cash?