NRS 244.250: Unaudited claims to be presented within 6 months.

1. All unaudited claims or accounts against any county shall be presented to the board of county commissioners within 6 months from the time such claims or accounts become due or payable.

2. No claim or account against any county shall be audited, allowed or paid by the board of county commissioners, or any other officer of the county, unless the provisions of subsection 1 are strictly complied with.