NRS 139.160: Assertion of prior right.

The surviving spouse, or nominee of the surviving spouse, when letters of administration have been granted to a child, parent, brother or sister of the decedent, or any of those relatives, when letters have been granted to any other of them, may assert the prior right of the spouse or nominee, and obtain letters of administration, and have the previous letters revoked in the manner prescribed in NRS 139.150.