Pay per sale: You will receive (X) commission on the order total of the first purchase made via the affiliate referral link. In the next purchases, you will receive (Y) commission on the order total.
Discount policy: A customer who makes the first purchase via the affiliate referral link receives (Z) discount on the order total. In the next purchases, the customer will not receive any discount. However, the affiliate account continues receiving commissions from the next orders made by this customer.