As a result, workers 16 and older who refuse to work it are "legally" subject to employer discipline, up to and including discharge.
In fact, the FLSA doesn't at all restrict the total number of work hours that employers may schedule for employees who are age 16 or older.
During business closings, salaried exempt employees must receive their guaranteed salary even if they do not have sufficient PTO.
Grace Ferguson has been writing professionally since 2009.
Conversely, when business is slower, an employer may force employees to take paid time off.
This practice is generally acceptable, provided it is applied fairly and consistently.