310                             LAWS OF MARYLAND                     [CH. 131

eluded as nonresident students in order that motor vehicles owned
or operated by them be exempt from the requirements for regis-
tration.

Section 1. Be it enacted by the General Assembly of Maryland,
That Section 23 of Article 66˝ of the Annotated Code of Maryland
(1968 Supplement), title "Motor Vehicles," subtitle "Administra-
tion—Registration—Titling," be and it is hereby repealed and re-
enacted, with amendments, to read as follows:

23.

Every motor vehicle, trailer, and semitrailer when driven or moved
upon a highway shall be subject to the registration and certificate
of title provisions of this article except:

(1)  Any such vehicle driven or moved upon a highway in con-
formance with the provisions of this article relating to manufac-
turers, transporters, dealers, lien holders, or nonresidents or under
a temporary registration permit issued by the Department as herein-
after authorized;

(2)  Any implement of husbandry whether of a type otherwise
subject to registration hereunder or not which is only incidentally
operated or moved upon a highway;

(3)  Any special mobile equipment as herein defined;

(4)  All motor vehicles owned and used by the government of the
United States, State of Maryland, or any city, town, village or county
of this State, and all motor vehicles owned and used for personal or
official purposes by accredited consular or diplomatic officers of for-
eign governments, which officers are nationals of the state by which
they are appointed and are not citizens of the United States and
by any incorporated volunteer fire company incorporated in this State
or rescue squad and used for fire-fighting or ambulance purposes and
all motor vehicles owned and used personally by veterans who have
either lost or lost the use of one or both legs, or an arm or a hand,
or who are blind are hereby exempted from the provisions of this
subtitle requiring the payment of registration fees, but all such vehi-
cles shall display identification markers approved by the Commis-
sioner of Motor Vehicles, and the identification markers or other
insignia on the vehicles of veterans who have either lost or lost the
use of one or both legs, or arm or a hand, shall indicate that they
have been so designated or classified by the Veterans' Administration;
and for the purposes of this subsection a person shall be considered
blind if he has a permanent impairment of both eyes of the following
status: central visual acuity of 20/200 or less in the better eye, with
corrective glasses, or central visual acuity of more than 20/200
if there is a field defect in which the peripheral field has contracted
to such an extent that the widest diameter of visual field subtends
an angular distance no greater than twenty degrees in the better
eye.

(5)  Any motor vehicle and trailer, known as the "40-8 boxcar,"
and owned and operated exclusively for social or charitabl