1933] SERVICE AND REGULATORY ANNOUNCEMENTS 215 
along the boundary line between the State of Arizona and the Republic of Mex- 
ico to the point where the said boundary line intersects the boundary line be- 
tween the States of New Mexico and Arizona ; thence northerly along the 
boundary line between the States of New Mexico and Arizona to the point of 
beginning. 
All townships, township lines, and ranges referred to in the above-described 
area are of the Gila and Salt River base and meridian. 
Regulation 4. Extension or Reduction of Regulated Areas 
The regulated areas may be extended or reduced as may be found advisable 
by the Secretary of Agriculture. Due notice of any extension or reduction and 
the areas affected thereby will be given in writing to the transportation compa- 
nies doing business in or through the State of Arizona and by publication in 
one or more newspapers selected by the Secretary of Agriculture within the said 
State. 
Regulation 5. Prohibited Movement 
No Thurberia plants or parts thereof shall be moved or allowed to be moved 
interstate from any point in Arizona, and no permit will be issued for such 
movement. 
No seed cotton, grabbots, or stalks, bolls, or other parts of the cotton plant, 
or gin waste shall be moved or allowed to be moved interstate from a regu- 
lated area, and no permit will be issued for such movement. 
Regulation 6. Cottonseed 
Cottonseed shall not be moved or allowed to be moved interstate from a 
regulated area unless a permit shall have been issued therefor by the United 
States Department of Agriculture. 
Permits may be issued for such movement of samples of sterilized seed to an 
approved laboratory in nonregulated territory for analysis, or of samples to be 
moved for some other approved purpose. 
Permits may also be issued for the interstate movement of sterilized seed 
to an authorized oil mill in nonregulated territory for crushing; as one of the 
conditions for such authorization, oil mills in such nonregulated territory must 
agree to maintain such safeguards against the spread of infestation and to com- 
ply with such restrictions on the subsequent movement of the linters and other 
products manufactured from the seed concerned as may be required by the 
Bureau of Plant Quarantine. 
Permits may be issued for the interstate movement of seed to any destina- 
tion on condition that the seed has been given a special heat treatment at 
145° F. maintained under approved conditions for a period of 1 hour and sub- 
sequently has been protected from contamination, or has been given such other 
treatment as may later be approved by the Bureau of Plant Quarantine. 
In cases where, in the judgment of the Bureau of Plant Quarantine, the 
carrying out of the treatments required in this regulation becomes impracti- 
cable owing to the lack of satisfactory facilities or for some other sound reason, 
permits may be issued for the interstate movement of cottonseed from a regu- 
lated area on such conditions as may be prescribed by that Bureau. 
Cottonseed produced outside of but brought within a regulated area may be 
moved interstate from such area under permit on condition that while in the 
area the seed has been protected from contamination in a manner satisfactory 
to the inspector. 
Regulation 7. Lint and Samples 
Lint and samples thereof shall not be moved or allowed to be moved inter- 
state from a regulated area unless a permit has been issued therefor by the 
United States Department of Agriculture. 
Permits may be issued for such movement of lint or samples thereof produced 
in a regulated area on condition that the lint was produced in a gin operated 
as to seed sterilization and the prevention of contamination to the satisfaction 
of the inspector, and upon compliance with the following additional require- 
ments which shall be carried out under the supervision of an inspector and in 
manner and by method approved by the Bureau of Plant Quarantine : 
