A FSMTCell user has 90 days from date of refill transaction and account balance before his/her account expires. After 90 days, the cellular account balance will be lost; however, if additional funds are added to account before it expires, then the existing balance will be carried over to new expiration date. Cellular Mobile Number is deactivated and deleted if there are no funds added within 90 days after the account balance expiration date. Any information on the deactivated account will be lost and the mobile number will be reassigned to a prospective customer.