S-2.1, r. 4 - Safety Code for the construction industry

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3.5.3. Commercial ladders: The employer shall ensure that any commercially manufactured ladder that he uses complies with CAN3-Z11-M81 Portable Ladders, except to the extent that the standard is modified by this subdivision.
R.R.Q., 1981, c. S-2.1, r. 6, s. 3.5.3; O.C. 329-94, s. 35.