Destroy when 10 years old. Destroy when 10 years old. Destroy when 10 years old. Destroy when 5 years old. Electronic file of advance billings downloaded from the Daily Billing program, arranged by jacket number.
System is used to produce a monthly printout.
Update or delete as needed to produce monthly printout and until billing is cleared. Destroy monthly printout when 1 year old. Destroy after master file in mainframe is verified. Electronic file of deferred credits from the daily billing program, arranged by jacket number. Used to produce a monthly printout.