NRS 133.065: Devise and appointment may be conditional.

Except to the extent that it violates public policy, a testator may:

1. Make a devise conditional upon a devisee’s action or failure to take action or upon the occurrence or nonoccurrence of one or more specified events; and

2. Specify the conditions or actions which would disqualify a person from serving or which would constitute cause for removal of a person who is serving in any capacity under the will, including, without limitation, as a personal representative, guardian or trustee.