15. If the measuring equipment ceases to function or malfunctions, or a discrepancy in a reading is detected in comparison with an earlier reading, the withdrawer must indicate, as the volumes of water withdrawn in the period concerned, the volumes of water withdrawn during the corresponding period in the previous year as declared pursuant to section 9 or 18.7. If no water was withdrawn during the latter period, or if the volumes of water withdrawn were lower than the declaration threshold provided for in section 9, the withdrawer must have the volumes of water withdrawn in the period concerned estimated by a professional, in accordance with the provisions of Chapter V.
Where 3 months, each comprising at least one withdrawal day, have elapsed and the measuring equipment has not been restored to proper working order or replaced, the withdrawer must, for each following month comprising at least one withdrawal day, and for as long as the measuring equipment does not function or malfunctions, cause the volumes of water withdrawn to be estimated, in accordance with the provisions of Chapter V.
O.C. 875-2009, s. 15; O.C. 685-2011, s. 12.