1. Except as provided in subsections 2 and 4, or by specific statute, any document or payment required or permitted by law or regulation to be filed or made by mailing to the State or any of its agencies or political subdivisions shall be deemed filed or made on the date of the postmark dated by the post office on the envelope in which it was mailed.
2. If a document or payment was mailed but not received by the addressee or was received but the postmarked date is illegible or omitted, the document or payment shall be deemed filed or made on the date it was mailed, if the sender:
(a) Establishes by a postal receipt for registered or certified mail that the mailing date was on or before the required date for filing or payment; and
(b) Where the document or payment was not received, files a duplicate of the contents of the envelope within 15 days after the sender becomes aware that it was not received.
3. For the purposes of this section, if the required date for filing or making payment is a Saturday, Sunday or legal holiday, the filing or payment is timely if performed on the next day which is not a Saturday, Sunday or legal holiday.
4. This section does not apply to the filing of documents pursuant to NRS 225.085 or title 24 of NRS.
(Added to NRS by 1975, 751; A 1983, 1382; 2003, 1953)