454.516.  Lien on motor vehicles, boats, motors, manufactured homes and trailers, when, procedure — notice, contents — registration of lien, restrictions, removal of lien — public sale, when — good faith purchasers — child support lien database to be maintained. — 1.  The director or IV-D agency may cause a lien pursuant to subsections 2 and 3 of this section or the obligee may cause a lien pursuant to subsection 8 of this section for unpaid and delinquent child support to block the issuance of a certificate of ownership for motor vehicles, motor boats, outboard motors, manufactured homes and trailers that are registered in the name of a delinquent child support obligor.

  2.  The director or IV-D agency shall notify the department of revenue with the required information necessary to impose a lien pursuant to this section by filing a notice of lien.

  3.  The director or IV-D agency shall not notify the department of revenue and the department of revenue shall not register lien except as provided in this subsection.  After the director or IV-D agency decide that such lien qualifies pursuant to this section and forward it to the department of revenue, the director of revenue or the director's designee shall only file such lien against the obligor's certificate of ownership when:

  (1)  The obligor has unpaid child support which exceeds one thousand dollars;

  (2)  The property has a value of more than three thousand dollars as determined by current industry publications that provide such estimates to dealers in the business, and the property's year of manufacture is within seven years of the date of filing of the lien except in the case of a motor vehicle that has been designated a historic vehicle;

  (3)  The property has no more than two existing liens for child support;

  (4)  The property has had no more than three prior liens for child support in the same calendar year.

  4.  In the event that a lien is placed and the obligor's total support obligation is eliminated, the director shall notify the department of revenue that the lien shall be removed.

  5.  Upon notification that a lien exists pursuant to this section, the department of revenue shall register the lien on the records of the department of revenue.  Such registration shall contain the type and model of the property and the serial number of the property.

  6.  Upon notification by the director that the lien shall be removed pursuant to subsection 4 of this section, the department of revenue shall register such removal of lien on its database, that shall contain the type and model of the property and the serial number of the property.

  7.  A good faith purchaser for value without notice of the lien or a lender without notice of the lien takes free of the lien.

  8.  In cases which are not IV-D cases, to cause a lien pursuant to the provisions of this section the obligee or the obligee's attorney shall file notice of the lien with the department of revenue.  This notice shall have attached a certified copy of the court order with all modifications and a sworn statement by the obligee or a certified statement from the court attesting to or certifying the amount of arrearages.

  9.  Notwithstanding any other law to the contrary, the department of revenue shall maintain a child support lien database that may be collected against the owner on a certificate of ownership provided for by chapters 301, 306 and 700.  To determine any existing liens for child support pursuant to this section, the lienholder, dealer or buyer may inquire electronically into the database.  A good faith purchaser for value without notice of the lien or a lender without notice of the lien takes free of the lien.