443.922.  Scope. — 1.  Except as provided in subsection 3 of this section, sections 443.920 to 443.925 apply to a mortgage modification.

  2.  Sections 443.920 to 443.925 do not affect:

  (1)  Laws governing the required content of a mortgage;

  (2)  A statute of limitations or other law governing the expiration or termination of a right to enforce an obligation or a mortgage;

  (3)  A recording statute;

  (4)  A statute governing the priority of a tax lien or other governmental lien;

  (5)  A statute of frauds; or

  (6)  Except as provided in subdivision (8) of subsection 2 of section 443.923, law governing the priority of a future advance.

  3.  Sections 443.920 to 443.925 do not apply to any of the following modifications:

  (1)  A release of, or addition to, property encumbered by a mortgage;

  (2)  A release of, addition of, or other change in an obligor; or

  (3)  An assignment or other transfer of a mortgage or an obligation.