8. The holder of an authorization must keep the information required, along with the calculations, assessments, measurements and other data used to supply the information, for a minimum period of 7 years from the date on which it was filed, even if the work covered by the authorization has been completed or suspended or if the holder has ceased to carry out the work.
M.O. 2011-06-07, s. 8; I.N. 2019-12-01.