Phy to sanitary Certificate Required 
Article 1. (l) The importation of the plant material re- 
ferred to in article 2 of the Decree of September 27, 1926 (except 
as indicated in the following paragraphs) is permitted only when each 
shipment is accompanied "by a certificate signed by a competent official 
of the government of the country of -origin or one of the branches there- 
of. 
(a) Indicating the species to which the plant material 
belongs or from which it was derived; 
(b) The quantity and weight thereof; 
( c_) Affirming that at the time of shipment the said ma- 
terial was, according to his conviction, free from 
pests and diseases of cultivated plants. 
Restrictions on the Importation of Potatoes 
(2) Uithout prejudice to the provisions of the preceding para- 
graph, the importation of potatoes from the Netherlands, Germany, 
Belgium, Poland, England and 'Tales, Ireland, Scotland, United States, 
and Canada is permitted only when each shipment is accompanied by a 
certificate issued by an official phytopathological institution of 
the country of origin affirming that the potatoes were found free from 
wart disease ( Synchy trium endobioticun ( Schilb) Perc), and that this 
disease does not occur in the field in which the potatoes were grown, 
nor within a radius of 500 meters therefrom. (See also the Decree of 
Oct. 21, 1329, p. 10.) 
Restrictions on the Importation of Hevea 
(3) "without prejudice to the provisions of paragraph 1 of this 
article, the importation of seeds, living plants and parts thereof of 
Hevea brasiliens is is permitted only when the shipment is accompanied 
by a certificate issued oy the phytopathological institute of the 
country of origin, affirming that the trees from which the plant 
material was taken are free from the South American leaf disease 
( Melanop sammop si s ulei (Henn. ) Stahel) = ( Pusicladium macrosporiun Kuyper) 
and from phytophthora leaf-fall diseases ( Phytophthora faberi iviaube. 
and P. meadi McRae) , and that on the estate cr estates where the said 
trees grew no material has ever been imported from countries where 
these diseases occur. 
Paragraphs 4, 5, and 6, respectively, of this article provide (l) 
that plant material may be imported from China without the certificate 
prescribed by paragraph 1; (2) that fruits assembled in the Netherlands may 
