#lien  the right to take another's property if an obligation is not discharged
  supertype:  security_interest  any interest in a property that secures the payment of an obligation
  subtype:  artisan's_lien__artisan'slien  lien permitting an artisan to retain possession of a piece of work until has been paid for
  subtype:  judgment_lien  lien on a debtor's property that is granted to a creditor by court judgment; lien may be enforced by having the sheriff seize the property and hold a sheriff's sale
  subtype:  landlord's_lien  lien on a tenant's property for the satisfaction of unpaid rent or property damage
  subtype:  mechanic's_lien  lien to secure payment for work and materials in erecting or repairing a building or other structure
     subtype:  garageman's_lien__garageman'slien  the extension of a mechanic's lien to include payment for work on automobiles
  subtype:  tax_lien__taxlien  lien of which a tax collector may avail himself in default of taxes (analogous to a judgment lien)
     subtype:  federal_tax_lien__federaltaxlien  lien of the United States on all property of a taxpayer who fails to pay the federal government the taxes for which he or she is liable
     subtype:  state_tax_lien__statetaxlien  a lien on the property of a taxpayer that the tax collector can use upon default of payment of taxes
  subtype:  warehouseman's_lien  right of a warehouseman to retain goods until all storage charges have been paid

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