A certificate of competency must be renewed by the holder of the certificate annually, and at any other time that the explosives training which the holder is instructing is updated. To renew the certificate of competency, the holder of the certificate must submit an application for renewal to the Enforcement Section. Such an application must include a copy of all new and updated materials to be used in the explosives training.
Nev. Admin. Code § 618.5112
NRS 618.295, 618.890