Art. 19. The plan of each station shall be organized to meet 
the peculiar necessities of the zone in which it may be estab- 
lished, conserving, however, the principal fundamentals already 
set forth. 
Art. 20. The position of Director shall be held by a person 
who is a specialist in any one of the technical sections, and at the 
same time shall be its chief, an indispensable condition being that 
in addition to his technical knowledge he shall have had a prac- 
tical apprenticeship. 
Art. 21. The technical positions may be filled, by contract, 
by native or foreign professors of established ability. 
Art. 22. To each of the stations there shall be sent a special 
regulation determining for them their proportions according to 
the necessities of the case, fixing the term and salaries of their 
respective personnel and providing for the special necessities 
to come. 
TITLE II 
The creation of the Refining and Manufacturing Rubber 
Industries 
ONLY CHAPTER 
Art. 23. The first factory for the refining of seringa rubber 
that shall be established in each of the cities of Belem (Para) 
and Manaos, and of manicoba and mangabeira rubber which 
shall be established in the States of Piauhy, Ceara, Rio Grande 
do Norte, Pernambuco, Bahia, Minas Geraes and S. Paulo, as 
well as the first factory of rubber articles which shall be estab- 
lished in Manaos, in Belem, in Recife (Pernambuco) in Bahia, 
and in Rio de Janeiro, there shall be conceded the following 
premiums and favors: 
(a) Up to 400,000 milreis in money to the plants for the re- 
fining of seringa rubber; 
Up to 100,000 milreis in money to the plants for the refin- 
ing of manigoba and mangabeira rubber ; 
Up to 500,000 milreis in money for plants for manufacturing 
rubber articles. 
(b) Exemption from import duties, including fees in the 
manner and by the processes described in Articles 3 and 91 
combined, as the case may require, for all material, machines, 
utensils and hardware necessary for the construction and com- 
plete equipment of the factory, as well as all chemical sub- 
stances, cloth and different materials, combustibles and lubri- 
cants necessary for the working and maintenance of the factory, 
during a period of 25 years. 
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