https://thepointsguy.com/news/amex-clawing-back-points-self-referrals/
American Express Is Clawing Back Points from Self Referrals - The Points Guy
Jul 22, 2019 - Last year, American Express made an incredibly positive change to its refer-a-friend program. Instead of only being allowed to refer from one card to the sam...
american expressself referralsclawingback