(a) For a mortgage modification described in subsection (b) of this section:

(i) The mortgage continues to secure the obligation as modified;

(ii) The priority of the mortgage is not affected by the modification;

(iii) The mortgage retains its priority regardless of whether a record of the mortgage modification is recorded; and

(iv) The modification is not a novation.

(b) Subsection (a) of this section applies to one (1) or more of the following mortgage modifications:

(i) An extension of the maturity date of an obligation;

(ii) A decrease in the interest rate of an obligation;

(iii) If the modification does not result in an increase in the interest rate of an obligation as calculated on the date the modification becomes effective:

(A) A change to a different index that is a recognized index if the previous index to which changes in the interest rate were linked is no longer available;

(B) A change in the differential between the index and the interest rate;

(C) A change from a floating or adjustable rate to a fixed rate; or

(D) A change from a fixed rate to a floating or adjustable rate based on a recognized index.

(iv) A capitalization of unpaid interest or other unpaid monetary obligation;

(v) A forgiveness, forbearance or other reduction of principal, accrued interest or other monetary obligation;

(vi) A modification of a requirement for maintaining an escrow or reserve account for payment of an obligation, including taxes and insurance premiums;

(vii) A modification of a requirement for acquiring or maintaining insurance;

(viii) A modification of an existing condition to advance funds;

(ix) A modification of a financial covenant; and

(x) A modification of the payment amount or schedule resulting from another modification described in this section.

(c) The effect of a mortgage modification not described in subsection (b) of this section is not governed by this act. This act shall not be construed to negate the validity or priority of a mortgage modification not described in subsection (b) of this section.