Hi, lately one of my friends asked me a question and I did not know what to answer. He has Fb ads account for almost 3 years now. He bought 50$ coupon for new accounts, tried to activate it on this account but Fb blocked the coupon. Now he found a 115$ coupon which can be used also on old accounts and he doesn`t know will it work on his account, because he already tried to use a coupon on it. I know that on 1 Fb ads account you can use only 1 coupon, but will Facebook treat this 50$ coupon as used on this account and block any other coupons? Or maybe Facebook blocked only 50$ coupon and there is still opportunity to use another coupon on his account? I have never had such situation myself and I have no idea what to answer. I will really appreciate if you could help me with it.