9. The manufacturer must provide, before using them, the drawings and specifications of accessories according to the requirements of sections 4.2.1 to 4.2.8 of the Boiler, Pressure Vessel, and Pressure Piping Code (CSA B51-M1991).
O.C. 2519-82, s. 9; O.C. 1310-91, s. 8; O.C. 1678-94, s. 2.