The provisions of the Off-Highway Motor Vehicle Act shall not apply to persons who operate off-highway motor vehicles on privately held lands or to off-highway motor vehicles that are:
A. owned and operated by an agency or department of the United States, this state or a political subdivision of this state;
B. operated exclusively on lands privately held; provided that the appropriate tax or fee has been paid in lieu of the motor vehicle registration fees;
C. owned by nonresidents and used in this state only for organized and endorsed competition purposes; provided that the use is not on a rental basis;
D. brought into this state by manufacturers or distributors for wholesale purposes and not used for demonstrations;
E. in the possession of dealers as stock-in-trade and not used for demonstration purposes;
F. farm tractors, as defined in Section 66-1-4.6 NMSA 1978, special mobile equipment, as defined in Section 66-1-4.16 NMSA 1978, or off-highway motor vehicles being used for agricultural operations; or
G. used exclusively on private closed courses, whether owned by the rider or another person; provided that, if applicable, the excise tax and registration fees have been paid and are current.