A-20.01, r. 1 - Regulation respecting pressure vessels

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88. Within the 90 days following the enforcement of this Regulation, the user of a pressure vessel shall obtain approval for the use of a material, an accessory, a pressure vessel or of a design or manufacturing method different from that provided for in this Regulation, so as to ensure that the pressure vessel in use offers a safety factor equivalent to the standards in this Regulation.
O.C. 2519-82, s. 88.