NRS 104.3407
Alteration.
1.
“Alteration” means an unauthorized:(a)
Change in an instrument that purports to modify in any respect the obligation of a party; or(b)
Addition of words or numbers or other change to an incomplete instrument relating to the obligation of a party.2.
Except as otherwise provided in subsection 3, an alteration fraudulently made discharges a party whose obligation is affected by the alteration unless that party assents or is precluded from asserting the alteration. No other alteration discharges a party, and the instrument may be enforced according to its original terms.3.
A payor bank or drawee paying a fraudulently altered instrument or a person taking it for value, in good faith, and without notice of the alteration, may enforce rights with respect to the instrument:(a)
According to its original terms; or(b)
In the case of an incomplete instrument altered by unauthorized completion, according to its terms as completed.
Source:
Section 104.3407 — Alteration., https://www.leg.state.nv.us/NRS/NRS-104.html#NRS104Sec3407.