Section 11-316. Bills of arrears of taxes, assessments, sewer rents, sewer surcharges and water rents, any other charges that are made a lien subject to the provisions of this chapter, and interest and penalties thereon to be furnished when requested

The commissioner of  finance  or  his or her designee, upon the written request of the owner, the proposed
  vendee under a contract of sale, a mortgagee, any person having a vested
  or  contingent  interest  in  any  lot  or lots or their duly authorized
  agent, or any person who has made a filing pursuant to section 11-309 of
  this chapter shall furnish a bill of all arrears of taxes on any lot  or
  lots  due  prior  to  the  first  of September, then last past, of sewer
  rents, sewer surcharges and water rents, assessments, any other  charges
  that  are  made  a  lien  subject to the provisions of this chapter, and
  interest and penalties thereon, which are  due  and  payable.  Upon  the
  payment of such bill which shall be called a bill of arrears the receipt
  of  the  commissioner of finance or his or her designee thereon shall be
  conclusive evidence of such payment. The commissioner of finance or  his
  or  her  designee  shall  cause  to  be  kept  an  account of amounts so
  collected, and the certificate of the commissioner of finance or his  or
  her  designee,  that  there  are no tax liens on such lot or lots, shall
  forever free such lot or lots from all  liens  of  taxes,  sewer  rents,
  sewer surcharges or water rents, assessments, any other charges that are
  made  a lien subject to the provisions of this chapter, and interest and
  penalties thereon that are due and payable prior to  the  date  of  such
  receipt  or certificate, but not from the lien of any tax lien duly sold
  and not theretofore satisfied.