In allocating receipts and disbursements to or between principal and income, and with respect to any matter within the scope of NRS 164.800 to 164.820, inclusive, a fiduciary shall add a receipt or charge a disbursement to principal to the extent that the terms of the trust and NRS 164.780 to 164.925, inclusive, do not provide a rule for allocating the receipt or disbursement to or between principal and income.
NRS 164.790