Highly paid executives sometimes face extra restrictions so the plan doesn't favor them over lower - paid workers. (sapling.com)
A money market account (MMA) is a bank account that typically pays a higher interest rate than a checking account, but comes with extra restrictions. (grow.acorns.com)
When booking with your points through the Ultimate Rewards Travel Center, there are never any blackout dates or extra restrictions on your travel. (upgradedpoints.com)