This subchapter does not apply to a written agreement to subordinate, release, waive, or satisfy all or part of a lien or bond claim in:
(1) an accord and satisfaction of an identified dispute;
(2) an agreement concerning an action pending in any court or arbitration proceeding; or
(3) an agreement that is executed after an affidavit claiming the lien has been filed or the bond claim has been made.
Official text of the Texas Property Code as published by the Texas Legislative Council.