It is an unfair act or practice for any manufacturer, distributor or factory branch, directly or through any representative, to:
are not subject to this subsection.
The manufacturer, distributor or factory branch shall notify the dealer in writing of its decision to approve or deny the request within 90 days after receipt of the request. The manufacturer, distributor or factory branch shall not unreasonably withhold its approval. If the request is denied, the material reasons for the denial must be stated. Failure to approve or deny the request, in writing, within 90 days has the effect of approval.
NRS 482.3638