134 BUREAU OF PLANT QUARANTINE [Oct.-Dec, 1932] 
Potatoes. — The importation of potatoes is forbidden altogether from the 
countries enumerated in the potato quarantine. Potatoes may be admitted from 
other foreign countries under permit and in accordance with the provisions of 
the regulations issued under order of December 22, 1913, bringing the entry of 
potatoes under restriction on account of injurious potato diseases and insect 
pests. Importation of potatoes is now authorized from the following countries: 
The Dominion of Canada, Bermuda, Cuba, Dominican Republic, Estonia, and 
Spain; also from the States of Chihuahua and Sonora and the Imperial Valley of 
Lower California, Mexico. The revised regulations issued under this order, 
effective March 1, 1922, were amended effective August 1, 1930, so as to permit, 
free of any restrictions whatsoever under the plant quarantine act, the importa- 
tion of potatoes from any foreign country into the Territory of Hawaii for local 
use only, and from the Dominion of Canada into the United States or any of its 
Territories or Districts. 
Cotton. — The order of April 27, 1915, and the rules and regulations issued 
thereunder, revised effective February 24, 1923, amended effective May 1, 1924, 
and December 15, 1924, restrict the importation of cotton from all foreign 
countries and localities, on account of injurious insects, including the pink 
boll worm. These regulations apply in part to cotton grown in and imported 
from the Imperial Valley, in the State of Lower California, Mexico. 
Cottonseed products. — The order of June 23, 1917, and the rules and regulations 
issued thereunder, effective July 16, 1917, amended effective August 7, 1925, 
restrict the importation of cottonseed cake, meal, and all other cottonseed 
products, except oil, from all foreign countries; and a second order of June 23, 
1917, and the regulations issued thereunder, restrict the importation of cottonseed 
oil from Mexico on account of injurious insects, including the pink bollworm. 
Plant safeguard regulations. — These rules and regulations, revised effective 
December 1, 1932, provide safeguards for the landing or unloading for transfer 
and transportation and exportation in bond of restricted or prohibited plants and 
plant products when it is determined that such entry can be made without 
involving risk to the plant cultures of the United States, and also provide for the 
safeguarding of such plant material at a port or within the territorial limits of 
the United States where entry or landing is not intended or where entry has been 
refused. 
Rules and regulations governing the movement of plants and plant products into 
and out of the District of Columbia. — These rules and regulations, revised effective 
April 30, 1931, are promulgated under the amendment to the plant quarantine 
act of May 31, 1920. They provide for the regulation of the movement of plants 
and plant products, including nursery stock, from or into the District of Columbia 
and for the control of injurious plant diseases and insect pests within the said 
District. 
MISCELLANEOUS REGULATIONS 
Rules and regulations prohibiting the movement of cotton and cottonseed from 
Mexico into the United States, and governing the entry into the United States of rail- 
way cars and other vehicles, freight, express, baggage, or other materials from Mexico 
at border points. — These rules and regulations, promulgated June 23, 1917, and 
amended effective January 29, 1920, pursuant to authority given in the appropri- 
ation act for the United States Department of Agriculture for the fiscal year 1918, 
and since repeated annually, are designed to prevent the entry of the pink boll- 
worm of cotton which is known to exist widely in Mexico. They provide for the 
examination of passengers' baggage, for the disinfection of railway cars, freight, 
express, and other shipments, and for the cleaning of domestic cars handling 
Mexican freight. All fees collected for cleaning and disinfecting railway cars are 
deposited in the United States Treasury as miscellaneous receipts. 
The inspectors concerned in the enforcement of these regulations at border 
points are charged also with enforcement of restrictions on the entry of plants 
and plant products under various foreign plant quarantines. 
Inspection and certification regulations to meet foreign sanitary requirements. — 
These regulations, revised effective August 1, 1931, were promulgated pursuant 
to authority given in the appropriation act for the United States Department of 
Agriculture for the fiscal year 1927. They provide for the inspection and certi- 
fication of fruits, vegetables, nursery stock, and other plants and plant products 
intended for export to countries requiring such certification. All fees collected for 
this service are deposited in the United States Treasury as miscellaneous receipts. 
