7. A withdrawer who uses estimates based on indirect or spot measurements must comply with the provisions of Chapter V.
The withdrawer must also, for each month, calculate or cause to be calculated all the volumes of water withdrawn, estimated and converted into litres, as well as the margin of error in percentage of the evaluation made according to the estimation method used.
That estimate must be certified by a professional.
O.C. 875-2009, s. 7; O.C. 685-2011, s. 7.