Punjab Minor Canals Act,1905
Section 4. Prohibition against construction of canals without permission
When the State Government has notified in this behalf any natural channel, lake or other collection of water, no person shall, without permission previously obtained in the manner prescribed in the section next following, construct a canal intended to be fed from any such channel, lake or other collection of water;
Provided that nothing in this section shall apply to the construction of a water-course from an existing canal.