J. MILLARD TAWES, GOVERNOR                             1609

which shall be subject to taxation in the same amount and to the
same extent as though the person in possession or the user thereof
were the owner of such property.

(a)  The interest of a tenant under a ninety-nine year lease of real
property within this State, whether or not renewable, or under a
lease for a shorter term which is perpetually renewable;

(b)   The interest of a life tenant or the owner of any other freehold
estate in real or tangible personal property within this State;

(c)  The interest of a mortgagor or grantor under a deed of trust
in real property within this State, subject to a mortgage or deed of

trust.

(d)  The interest of a mortgagor, pledgor or conditional sale vendee
in tangible personal property within this State;

(e)  The interest or privilege of any lessee, bailee, pledgee, agent,
or other person in possession of or using any real or personal property
which is owned by the federal or state governments, and which is
leased, loaned, or otherwise made available to any person, firm, cor-
poration, association, or other legal entity, with the privilege to use
or possess such property in connection with a business conducted for
profit, except where the use is by way of a concession for occupancy
of a public airport, park, market, fairground, or similar property,
which is available to the use of the general public, shall be subject to
taxation in the same amount and to the same extent as though the
lessee or user were the owner of such property; provided, that the
foregoing shall not apply to federal or state property for which
negotiated payments are made in lieu of taxes by any of the aforesaid
owners, NOR SHALL IT APPLY TO ANY REAL OR PERSONAL
PROPERTY WHICH IS OWNED BY THE FEDERAL OR STATE
GOVERNMENTS AND WHICH IS IN THE POSSESSION OF
ANY PERSON, PERSONS OR CORPORATION WHO OR WHICH
IS ENGAGED IN (1) THE MANUFACTURE, CONSTRUCTION,
OR ASSEMBLING OF EQUIPMENT, SUPPLIES OR COMPO-
NENT PARTS THEREOF, TO BE USED FOR NATIONAL DE-
FENSE PURPOSES, OR (2) RESEARCH OR DEVELOPMENT
FOR NATIONAL DEFENSE PURPOSES, nor shall it apply to
port facilities owned by the federal or state governments (or any
agencies or instrumentality thereof) or by any political subdivision
of the State of Maryland. PROVIDED FURTHER THAT FOR
PURPOSES OF MUNICIPAL AND COUNTY TAXATION IN THE
COUNTIES OF ALLEGANY, ANNE ARUNDEL, MONTGOMERY,
AND WASHINGTON, ANY SUCH INTEREST OR PRIVILEGE
SHALL NOT BE SUBJECT TO ASSESSMENT AND TAXATION.
As used herein, the term ^uport facilities" shall mean and shall in-
clude, without intending thereby to limit the generality of such term,
any one or more of the following or any combination thereof: Lands,
piers, docks wharves, warehouses, sheds, transit sheds, elevators,
compressors, refrigeration storage plants, buildings, structures, and
other facilities, appurtenances and equipment necessary or useful in
connection with the operation of a modern port OR IN CONNEC-
TION WITH SHIPBUILDING AND SHIP REPAIR and every kind
of terminal or storage structure or facility now in use or hereafter
designed for use in the handling, storage, loading or unloading of
freight or passengers at steamship terminals, and every kind of
transportation facility now in use or hereafter designed for use in
connection therewith.