CBS.com is offering 1-Month of CBS All Access Trial Membership for Free when you apply promo code AUGUSTHEAT at checkout. This is good until August 31st according to the email I received!
https://www.cbs.com/all-access/
Note, you may select the plan of your choice (Commercial Free or Limited Commercials) You will be charged at the full price after your trial period ends however you may cancel at anytime during your trial period. Some Members have indicated that this promo code may work for reactivating old accounts.
This promo code may work for reactivating old accounts, as it worked on mine.