ing everything that relates the national rubber industry. 
8. To authorize agreements with the States producing ser- 
inga rubber, for decreasing the duties of exportation and for the 
protection and aid of the rubber commerce. 
Sole Paragraph. It shall be the object of each of these meas- 
ures and means referred to in number 8 and of the special rules, 
that they shall publish at opportune times, as well as those re- 
ferred to in number 6 and that part of number 4 which speaks 
of the revision and consolidation of the regulations of the coast- 
wise merchant marine. 
TITLE | 
The means of encouragement of the extractive and cultivating 
industry of the principal rubber producing trees 
CHAPTER I 
The reduction of the cost of implements and materials employed 
in the development of the rubber industry 
Art. 2. The implements and regular materials in the list an- 
nexed to this regulation, are free of all import duties, including 
the fees when employed for the cultivation of seringueira, 
caucho, manicoba and mangabeira and the improved collection 
of the extracted rubber, from these trees, whether it treats of 
the development purely extractive, or of the development of cul- 
tivation. : 
Sole Paragraph. Materials and machinery which shall be dis- 
covered or invented during the time this regulation is in force, 
which have special application to the rubber industry, shall en- 
joy the same exemption from import duties. 
Art. 8. The exemption shall be quickly granted by the cus- 
tom house inspectors, from whom the claimants should require 
it, uniting all, or only those necessary as the case may be, the 
following documents: 
1. The last receipt of the duty of declarations of the Munic- 
ipality or Mayor to whose jurisdiction it pertains, by which is 
proven that the claimant is developing on his own or rented 
property, the extractive or cultivating rubber industry, or that 
he is a merchant established with a house prepared for goods 
for rubber gatherers, when it treats of regular objects of the 
first group. 
2. Attested by the Municipality or Mayor to whose juris- 
diction he belongs, that the claimant possesses proper land and 
that he is about to effectively undertake the culture of some of 
the trees above mentioned and treatment of their rubber or an 
authentic copy of the concession for this purpose, which he may 
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