718 ARTICLE 56.

The fees as provided for in the above three classes shall not be charge-
able in the case of threshing machines, clover hullers, binders, and other
similar farming implements not designed for hauling purposes.

Class H. Truck Tractor, Tractor or Tractor Engines. Twenty-five
($25. 00) dollars for each tractor or traction engine, or any other similar
vehicles used for propelling, supporting or drawing a trailer or semi-
trailer.

This charge shall not apply to, nor shall registration tags be required
to be displayed on a tractor or tractor engine used for hauling on an un-
improved road or for drawing or propelling agricultural or farming im-
plements so long as such vehicle is not used for hauling purposes (except
for drawing or propelling agricultural or farming implements) upon any
improved highway.

The charges above prescribed for the markers and certificates of regis-
tration provided for in Classes A and F, shall not apply to vehicles using
the public highways of the State and propelled by steam or electricity.

For such vehicles, the following fees shall be paid per annum to the
Commissioner of Motor Vehicles, for the markers and certificates of regis-
tration issued by him in accordance with the provisions of this sub-title.

Class I. Electric Pneumatic. Sixty (60c) cents per horse power or
fraction thereof in the case of all motor vehicles having pneumatic tires,
with a minimum charge of ten ($10. 00) dollars for any motor vehicle.

Class J. Electric Hiring. Two ($2. 00) dollars per horse power or
fraction thereof in the case of all motor vehicles operating for the pur-
pose of transporting persons for hire upon any of the public highways of
this State, other than motor vehicles operating on fixed schedules, the
registration fees of which are fixed by other specific provisions of law,
and provided that said charge shall be in lieu of all other taxes, fees or
charges of every kind upon said motor vehicle or upon the receipts of
those operating the same except the taxes imposed upon the same as
personal property.

Class K. Used Car Dealer. Twenty-five ($25. 00) dollars for the
first two sets of tags or markers issued each dealer in used or second-hand
motor vehicles, to each proprietor of a garage, or repair shop, or to each
junk dealer, three ($3. 00) dollars for each additional set of such tags.
Such tags shall be interchangeable among the motor vehicles owned or
used by the one to whom issued only when such use is incidental to such
business.

The charges in this section prescribed shall be for three months of each
year and be on a quarterly basis.

If a certificate provided for in Classes A, 1A, 2A, 3A, 4A, B and G
be issued after the first of the year, the charge shall be on a quarterly
basis; three-quarters after April 1st, or before July 1st, one-half after