Section 912. Priority of tax liens

All tax liens of tax districts which
  become liens against a parcel of real property in the same calendar year
  shall have priority over all tax liens of preceding years  against  such
  parcel except that where a general, special or local law provides that a
  tax  district holding and owning a tax lien for levies imposed by it has
  rights of priority different from other holders or owners  thereof,  the
  tax  liens  of  such  tax district shall rank in priority as provided in
  such law.