Referring subscriber must have an active Boost monthly account at time of referral. Referee must activate on a Monthly Unlimited account within 90 days of referral receipt. Both referring and referee customers' accounts must be in good standing at time credit will be applied to account or credits will be forfeited. Limited to $500 in referral rewards per calendar year. For additional program terms, conditions and other restrictions, see complete Terms & Conditions. Boost reserves the right to terminate and/or modify this offer at any time without prior notice. ©2014 Boost Worldwide, Inc. All rights reserved. Boost, Boost Mobile and the Logo are trademarks of Boost.