Section Tre 303.07 - Record Retention(a) All holders required to file reports under RSA 471-C: 19 as to property for which it has obtained the last known address of the owner, shall retain a record of the last known address for 7 years after the property becomes reportable.(b) In the case of persons/holders who sell travelers checks, money orders or other similar instruments, the record of those instruments, while they remain outstanding, shall include the state and date of issue and shall be kept for 3years from the date on which the property became reportable