Wyo. Stat. Ann. § 34-30-103
(a) Except as provided in subsection (c) of this section, this act applies to a mortgage modification.
(b) This act does not affect:
(i) Law governing the required content of a mortgage;
(ii) A statute of limitations or other law governing the expiration or termination of a right to enforce an obligation or a mortgage;
(iii) A recording statute;
(iv) A statute governing the priority of a tax lien or other governmental lien;
(v) A statute of frauds or the Uniform Electronic Transactions Act;
(vi) Except as provided in W.S. 34-30-104(b)(viii), law governing the priority of a future advance.
(c) This act does not apply to any of the following modifications:
(i) A release of, or addition to, property encumbered by a mortgage;
(ii) A release of, addition of, or other change in an obligor; or
(iii) An assignment or other transfer of a mortgage or an obligation.