NRS 143.720: Revocation of consent to proposed action or waiver of notice of proposed action.

1. A waiver or consent pursuant to NRS 143.710 or 143.715 may be revoked only in writing and is effective only when the writing is received by the personal representative.

2. A copy of the revocation may be filed with the court, but the effectiveness of the revocation is not dependent upon a copy being filed with the court.