572.33  Requirement of notification for commercial construction.
  1.  The notification requirements in this section apply only to commercial construction.
  2.  A person furnishing labor or materials to a subcontractor shall not be entitled to a lien under this chapter unless the person furnishing labor or materials does all of the following:
  a.  Notifies the general contractor or owner-builder in writing with a one-time notice containing the name, mailing address, and telephone number of the person furnishing the labor or materials, and the name of the subcontractor to whom the labor or materials were furnished, within thirty days of first furnishing labor or materials for which a lien claim may be made. Additional labor or materials furnished by the same person to the same subcontractor for use in the same construction project shall be covered by this notice.
  b.  Supports the lien claim with a certified statement that the general contractor or owner-builder was notified in writing with a one-time notice containing the name, mailing address, and telephone number of the person furnishing the labor or materials, and the name of the subcontractor to whom the labor or materials were furnished, within thirty days after the labor or materials were first furnished, pursuant to paragraph “a”.
  3.  Notwithstanding other provisions of this chapter, a general contractor or owner-builder shall not be prohibited from requesting information from a subcontractor or a person furnishing labor or materials to a subcontractor regarding payments made or payments to be made to a person furnishing labor or materials to a subcontractor.
84 Acts, ch 1248, §1
; 98 Acts, ch 1142, §4
; 99 Acts, ch 104, §1
; 2007 Acts, ch 83, §18
; 2012 Acts, ch 1105, §23, 27, 28
2012 amendment to section takes effect January 1, 2013; mechanics’ liens filed prior to that date shall remain with the clerk of district court of the county in which the building, land, or improvement charged with the lien is situated; 
2012 Acts, ch 1105, §27, 28