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"Disinfection" shall mean any scientific treatment applied 
for the purpose of destroying any infection or infestation 
that may occur on, in or amongst plant materials. 
2. Special Permits: 
Plant materials which are governed by special quarantine orders 
may be imported in limited quantities under permit from the 
Director of Plant Industry from countries which maintain plant 
quarantine and inspection service, for the purpose of keeping 
the Philippines supplied with new varieties and necessary propa- 
gating stock, through Manila only, in compliance with the par- 
ticular administrative orders, and upon application for a permit 
to import the same. (Form No. 32) 
3. Application to import plant materials j 
All persons who intend to import plant ma tor ia Is must first file 
an application with the Director of Plant Industry in advance 
of the shipment. (Form No. 33) 
k. Issuance of permits. 
5 & 6. Notices of arrival and shipment. 
7'. Revocation of permits: Permits may be revoked for cause. 
8. Conditions of entry; foreign certificate of inspection required; 
Importations of fruits, vegetables, seeds , and other plant 
materials from foreign countries must be accompanied by certifi- 
cates of inspection issued by the proper government authority of 
the country of origin, stating that the materials are free from 
injurious insects and plant diseases. Where the government main- 
tains a plant quarantine or plant inspection service, the certifi- 
cates of inspection required shall be certificates issued by the 
chief or director of the service of the country or placo of origin, 
or his duly authorized representatives. The importer is requirod 
to present the certificate to the office of the plant inspector, 
but the presentation of the certificate shall not preclude in- 
spection of the certified plant material by the plant quarantine 
officials on arrival if doomed necessary. 
9. Inspection and certification on arrival. 
10. Disinfection or fumigation. Isolation. 
11. Freedom from sand, soil and earth: 
All plant materials to be imported must bo free from sand, soil 
or earth, and all plant roots, rhizomes, tubers, etc., must be 
washed to thoroughly free them from such sand, soil or earth and 
so certified by the authorized officor; Provided that sterilized 
