An acknowledgment of service or a certificate in substantially the following form must appear on all documents required to be served:
I hereby certify that I have this date served the foregoing document upon all parties of record in this proceeding (by delivering a copy thereof in person to ...................................) (by mailing a copy thereof, properly addressed, with postage prepaid, to ...................................)
DATED at ..................., this ............(day) of ...................(month) of ...........(year) .......................................................................Signature
Nev. Admin. Code § 686B.745
NRS 679B.130, 679B.310, 686B.110