Avail. for select monthly plans. Referring subscriber must have active acct. at time of referral. Referee must activate a new plan within 90 days of receiving referral, pay 1 mo. & remain active for 30 days. Accts. must be in good standing when credit is applied. Limited to $500 in credits per yr. Credit applied w/i 4 weeks of referral validation. See Terms and Conditions. Boost reserves the right to change or cancel offer at any time. Prohibited network use rules & other restrictions apply.