An employee may be paid a flat sum for a day’s work or for doing a particular job, without regard to the number of hours worked in the day or at the job, and receive no other form of compensation. In such a case the employee’s regular rate is found by totaling all the sums received at such day rates or job rates in the workweek and dividing by the total hours actually worked. The employee is then entitled to extra half-time pay at this rate for all hours worked over 40 in the workweek. This method of payment is common for school bus drivers. The regulations on this topic are found at 29 C.F.R. § 778.112.