It is unlawful, except as otherwise provided in NRS 277A.280, 706.446, 706.453 and 706.745, for any:

1.  Fully regulated common motor carrier to operate as a carrier of intrastate commerce;

2.  Owner or operator of a charter bus which is not a fully regulated carrier to operate as a carrier of intrastate commerce; or

3.  Operator of a tow car to perform towing services within this State, without first obtaining a certificate of public convenience and necessity from the Authority.