A Practice Note discussing how Sections 2(d) and 2(e) of the Robinson-Patman Act regulate promotional discounts, allowances, and services offered from sellers to buyers, including advertisements, free samples, shelf space, coupons, prizes, and other advertising or promotional support. This Note discusses when promotional discounts or allowances may violate the Act and the standard that courts use to evaluate the challenged conduct. It also includes a survey of cases in which Sections 2(d) and 2(e) form the basis of the allegations.