The U.S. Department of Labor (USDOL) just released a Wage and Hour Opinion Letter today addressing the fluctuating workweek, reiterating its position that an employee’s work hours do not need to fluctuate above and below 40 hours for an employer to rely upon the fluctuating workweek method of calculating overtime. However, there remain some unanswered questions that should cause employers to tread cautiously when implementing this system.