Nev. Rev. Stat. § 143.035
2. In the absence of pending litigation or a contested proceeding involving the estate, a personal representative in charge of an estate that has not been closed shall:
(b) Within 18 months after the personal representative’s appointment, where a federal estate tax return is required to be filed for the estate,
file with the court a report explaining why the estate has not been closed.
3. Upon receiving the report, the clerk shall set a time and place for a hearing of the report. The personal representative shall send a copy of the report and shall give notice of the hearing, for the period and in the manner provided in NRS 155.010, to:
4. At the hearing, the court shall determine whether or not the personal representative has used reasonable diligence in the administration of the estate, and if the personal representative has not, the court may:
(a) Subject to the provisions of NRS 143.037:
(Added to NRS by 1975, 1765; A 1997, 336; 1999, 2290; 2003, 880; 2017, 1677)