BoA rewards subscription credits. Who? When?

It is May but I still can't find anything specific about eligible subscriptions

BofA Rewards™ Subscription Credits. In order to be eligible for the subscription credit benefit, you must: (1) Be enrolled in the BofA Rewards program’s Preferred Honors or Premier tiers (2) Agree to the full terms of the Subscription Credit Benefit via the Subscription Credit Benefit page within BofA Rewards and (3) Make payments directly to eligible merchants using your Bank of America debit card linked to a checking account that you designate via the subscription credit benefit page. Customers may receive statement credits up to $8 per month for Preferred Honors members and $15 per month for Premier members. Eligible merchants are subject to change without notice. Currently eligible merchants can be found on the subscription credit benefit page.