4. No company shall be formed under the provisions of this Act to improve any river or stream, for the improvement of which any other company has been formed either under this or any other Act of the Legislature, without the consent of such other company.
When any works have been constructed by the Gouvernement du Québec upon any river or stream, no company shall be formed under the provisions of this Act to improve such river or stream without the consent of the Government.
In either case, such consent shall be formally expressed in writing and shall be registered together with the declaration mentioned in the following sections.
R. S. 1964, c. 96, s. 4; 1977, c. 5, s. 14.