An Act to readjust size and weight limitations on fourth-class (parcel post) mail
PL 82-199 (S.1335), enacted 10/24/1951

610 
PUBLIC LAW 199—OCT. 24, 1951 
[65 STAT. 
36 Stat. 961. 
A p p r o p r i a t i o n 
authorized. 
of Agriculture is hereby authorized, when suitable arrangements have 
been made for the use of airport facilities, to acquire by donation, 
purchase, and/or condemnation such tract or tracts of land, at or near 
Missoula, Montana, as in his judgment may be suitable for the con-
struction thereon of fire control smoke jumper headquarters, air cargo 
supply base, and other facilities, and said land upon acceptance of title 
to be subject to all laws and regulations applicable to lands acquired 
under the Act of March 1,1911, as amended (16 U. S. C. 515, 516). 
SEC. 2. The Secretary of Agriculture is hereby authorized, by con-
tract or otherwise, to cause to be planned, designed, and constructed on 
said land, such buildings as in his judgment may be suitable as fire 
control smoke jumper headquarters, air cargo supply base, and-other 
facilities, and including the purchase and installation of necessary 
equipment, the making of sewer, water, gas, electrical and other con-
nections, and the construction of such roadways, sidewalks, landscap-
ing, and approaches as may be required. 
SEC. 3. For the purpose of carrying out the provisions of this Act, 
there is hereby authorized to be appropriated, out of any money in the 
Treasury not otherwise appropriated, the sum of $970,000: Provided^ 
That the Secretary may, prior to July 1,1953, enter into contracts for 
the acquisition of the land and for the construction of the buildings 
and other installations herein authorized, to an amount not in excess 
of $600,000. 
Approved October 24, 1951. 
October 24, 1951 
[S. 1335] 
Public Law 199 
CHAPTER 552 
AN ACT 
To readjust size and weight limitations on fourth-class (parcel post) mail. 
Postal service. 
Fourth-class mail. 
Be it enacted hy the Senate and House of Representatives 
of the 
United States of America in Congress assembled^ That on fourth-class 
matter the limit of size shall be seventy-two inches in girth and length 
combined and the limit of weight shall be over eight ounces and not 
exceeding forty pounds in the first and second zones and twenty pounds 
in the third to eighth zones; except that in the case of parcels (1) 
mailed at any post office or on any rural or star route for delivery at 
any second-, third-, or fourth-class post office or for delivery by any 
rural or star route carrier, or (2) mailed at any second-, third-, or 
fourth-class post office or on any rural or star route, or (3) containing 
baby fowl, live plants, trees, shrubs, or agricultural commodities (not 
including manufactured products thereof), or (4) of books, per-
manently bound for preservation, consisting wholly of reading matter 
or reading matter with incidental blank spaces for students' notations 
and containing no advertising matter other than incidental announce-
ments of books, or (5) mailed in the United States, including the 
District of Columbia, for delivery by any Army or Fleet post office 
or in any Territory or possession of the United States, including the 
Canal Zone and Trust Territory of the Pacific Islands, or mailed at 
any Army or Fleet post office or in any Territory or possession of the 
United States, including the Canal Zone and Trust Territory of the 
Pacific Islands, for delivery in the United States, including the District 
of Columbia, or any Army or Fleet post office or any Territory or 
possession thereof, including the Canal Zone and Trust Territory of 
the Pacific Islands, the limit of size shall be one hundred inches in 
girth and length combined and the limit in weight shall be over eight 
ounces and not exceeding seventy pounds. 
65 STAT.] 
PUBLIC LAW 200—OCT. 24, 1951 
611 
SEC. 2. All existing laws or portions thereof, inconsistent or in 
conflict with this Act, are hereby amended or repealed. 
SEC. 3. This Act shall take effect on the first day of the third calendar 
Effective date. 
month following the calendar month in which it is enacted. 
Approved October 24, 1951. 
Public Law 200 
CHAPTER 553 
AN ACT 
To further amend the Communications Act of 1934. 
October 24, 1951 
[S. 537] 
Be it enacted hy the Senate and House of Representatives 
of the 
United States of Anieii^oa in Congress assembled^ That section 606 (c) 
of the Communications Act of 1934, as amended, is amended to read 
as follows: 
"(c) Upon proclamation by the President that there exists war or a 
threat of war, or a state of public peril or disaster or other national 
emergency, or in order to preserve the neutrality of the United States, 
the President, if he deems it necessary in the interest of national 
security or defense, may suspend or amend, for such time as he may 
see fit, the rules and i-egulations applicable to any or all stations or 
devices capable of emitting electromagnetic radiations within the juris-
diction of the United States as prescribed by the Commission, and 
may cause the closing of any station for radio communication, or any 
device capable of emitting electromagnetic radiations between 10 kilo-
cycles and 100,000 megacycles, which is suitable for use as a naviga-
tional aid beyond five miles, and the removal therefrom of its 
apparatus and equipment, or he may authorize the use or control of 
any such station or device and/or its apparatus and equipment, by 
any department of the Government under such regulations as he may 
prescribe upon just compensation to the owners. The authority 
granted to the President, under this subsection, to cause the closing 
of any station or device and the removal therefrom of its apparatus 
and equipment, or to authorize the use or control of any station or 
device and/or its apparatus and equipment, may be exercised in the 
Canal Zone." 
SEC. 2. Section 606 of such Act is further amended by adding at 
the end thereof a new subsection as follows: 
"(h) Any person who willfully does or causes or suffers to be done 
any act prohibited pursuant to the exercise of the President's authority 
under this section, or who willfully fails to do any act which he is 
required to do pursuant to the exercise of the President's authority 
under this section, or who willfully causes or suffers such failure, shall, 
upon conviction thereof, be punished for such offense by a fine of not 
more than $1,000 or by imprisonment for not more than one year, or 
both, and, if a firm, partnership, association, or corporation, by fine 
of not more than $5,000, except that any person who commits such 
an offense with intent to injure the United States, or with intent to 
secure an advantage to any foreign nation, shall, upon conviction 
thereof, be punished by a fine of not more than $20,000 or by imprison-
ment for not more than 20 years, or both." 
Approved October 24, 1951. 
48 Stat. 1104. 
47U.S.C.§ 606(e). 
Electromagnetic 
radiation control. 
A u t h o r i t y of the 
President. 
Canal Zone. 
Penalties.