Live in the West Region? Did you miss the Dec. 31st deadline to set up your payment info and you pay by EFT, credit card, or debit card? You still have time! For TRICARE Young Adult, TRICARE Reserve Select, TRICARE Retired Reserve, you have until Jan. 15 to make a payment. For TRICARE Prime or TRICARE Select, you have until Jan. 30. If you miss this deadline, you will be disenrolled back to Jan. 1. Don’t delay! Visit or call 1-888-TRIWEST to set up your payment today!