If the income of a borrower is reduced in any year due to causes beyond the borrower's control to the extent that the borrower is unable to make a payment on a loan under this chapter, the Bank of North Dakota and the originating lender may defer the payment of the principal sum due in that year and the term of the loan may be extended for the period of deferment.
N.D.C.C. § 6-09.11-09