ยง  1588.  Posted tax roll. Notwithstanding any provision of law to the
  contrary, information regarding date of payment of  taxes,  the  receipt
  number  and  related  information  need not be posted on the tax roll or
  other printed record of payment if that information is entered into  the
  data  file  and  retained  by  means of electronic data processing. This
  information must be stored so that it can be made readily  available  to
  the  public  in  legible  form.  At the conclusion of the period for the
  redemption of property from taxes which become a lien on  such  roll,  a
  copy  of  the posted tax roll shall be produced in either a paper format
  or archival quality microform and be permanently retained  as  a  public
  record.