18 BUREAU OF ENTOMOLOGY AND PLANT QUARANTINE [Jan.-March 
(ii) Prior to introduction into nurseries or greenhouses, sand, if contami- 
nated with vegetable matter, soil, earth, peat, compost, or manure taken 
from infested locations or which may have been exposed to infestation, must 
be sterilized or fumigated under the direction and supervision of, and in 
manner and by method satisfactory to the inspector. If such sand, soil, 
earth, peat, compost, or manure is not to be immediately used in such green- 
houses, it must be protected from possible infestation in manner and by 
method satisfactory to the inspector. 
(iii) All potted plants placed in certified greenhouses of class III and all 
potted plants to be certified for interstate movement therefrom (a) shall be 
potted in certified soil; (&) shall, if grown outdoors south of the northern 
boundaries of Maryland and Delaware at any time between June 1 and Octo- 
ber 1, inclusive, or north thereof at any time between June 15 and October 
15, inclusive, be kept in screened frames while outdoors; (c) shall, if grown 
outdoors during any part of the year, be placed in beds in which the soil 
or other material shall have been treated in manner and by method approved 
by the Bureau of Entomology and Plant Quarantine to eliminate infestation ; 
and (d) shall comply with such other safeguards as may be required by the 
inspector. 
(4) Cut flowers may be certified for movement either (i) when they have 
been inspected by an inspector and found free from infestation, or (ii) when 
they have been grown in a greenhouse of class I or in a certified greenhouse of 
class III and are transported under such safeguards as will in the judgment 
of the inspector prevent infestation. (See also paragraph (a) (3) of this 
section. ) 
(5) Nursery and ornamental stock originating on or moved from unclassi- 
fied premises may be certified by the inspector under either one of the fol- 
lowing conditions: (i) That the soil shall be entirely removed from the stock, 
or (ii) that the roots shall be treated by means approved by the Bureau of 
Entomology and Plant Quarantine in manner and by method satisfactory to 
the inspector, or (iii) that it shall be shown by evidence satisfactory to 
the inspector that the accompanying soil was obtained at such points and 
under such conditions that in his judgment no infestation could exist therein. 
(6) Nurserymen, florists, dealers, and others, in order to maintain a class 
III status shall report immediately on forms provided for that purpose all 
their sales or shipments of nursery and ornamental stock, sand, if contam- 
inated with vegetable matter, soil, earth, peat, compost, and manure both 
to points outside the regulated areas and to other classified nurseries or 
greenhouses within the regulated area. Certification may be denied to any 
person who has omitted to make the report required by this section, and such 
denial of certification shall continue until the information so omitted has been 
supplied. 
(7) Nurserymen, florists, dealers, and others, in order to maintain a class 
I status, or to maintain in a class III establishment, a class I subdivision, a 
certified plot, or a certified greenhouse, (i) shall restrict their purchases or 
receipts of nursery and ornamental stock, sand, if contaminated with vege- 
table matter, soil, earth, peat, compost, and manure, secured within the reg- 
ulated area and intended for use on class I or certified premises, to articles 
which have been certified under these regulations as to each such article and 
the said certificate shall accompany the article when moved; (ii) shall obtain 
approval of the inspector before such articles are received on class I or certi- 
fied premises or are taken into certified greenhouses; (iii) shall report imme- 
diately in writing all purchases or receipts of such articles secured from 
within the regulated area for use on such premises; and (iv) shall also re- 
port immediately on forms provided for that purpose all their sales or ship- 
ments of such articles both to points outside the regulated areas and to other 
classified nurseries or greenhouses within the regulated areas. Certification 
may be denied to any person who has omitted to make the report or reports 
required by this section, and such denial of certification shall continue until 
the information so omitted has been supplied. 
(8) Nursery and ornamental stock imported from foreign countries and not 
reshipped from the port of entry in the unopened original container may be 
certified for movement under these regulations when such stock has been 
inspected by an inspector and found free from infestation. 
(9) Nursery and ornamental stock originating outside the regulated areas 
and certified stock originating in classified nurseries or greenhouses may be 
