That is, your 20-pound cashback coupon cannot be combined with other cashback coupons or bonuses and the monthly 15 membership bonus. Please note that you must provide an invoice for each cashback coupon or bonus and monthly membership bonus.

"Advocate a? The "claim" in "15 member bonus" means to declare what you want, so claim a? 15 membership bonus means "I want to get a monthly 15 membership bonus".