Overtime Pay Coefficient Table This table may be used for computing overtime on piecework, bonuses, commissions or fixed salaries for varying hours. Refer to Part 778 of Title 29 of the CFR for guidance regarding when the coefficient method is applicable. This form has been prepared for use by employers who may find the coefficient table to be a timesaver when computing the extra half-time for hours worked over 40 in a workweek. Overtime Pay Coefficient Table For questions on the federal Fair Labor Standards Act, contact the United States Department of Labor's Wage and Hour Division in either Charlotte (704) 749-3360 or Raleigh (919) 790-2741. For more information about workplace rights, please contact our toll free number at 1-800-NC-LABOR (800-625-2267).