2022 Manitoba Workplace Safety and Health Act and Regulation

Signs 
28.41 
An employer and a supplier of a self-elevating work platform or
aerial device must ensure that the platform or device has signs
that are clearly visible and legible to an operator at its controls
indicating the following:
(a) the identity of the supplier;
(b) the name and number of the standard to which the platform
or aerial device was designed;
(c) its rated load;
(d) all limiting operating conditions, including the use of
outriggers, stabilizers and extendable axles;
(e) the specific firm level surface conditions required for use of
the platform or aerial device in the elevated position;
(f) any warnings specified by the manufacturer;
(g) except for a boom-type elevating work platform, the
direction of machine movement for each operating control.

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Workplace Safety And Health Regulation
269
Climbing prohibited
28.42 
An employer must ensure that no worker climbs on the extension
mechanism or the boom of a self-elevating work platform or aerial
device.
Use of the self-elevating work platform or aerial device 
28.43 
An employer must ensure that a self-elevating work platform or
aerial device
(a) is used only in accordance with the specifications of its
manufacturer or those of the professional engineer who
designed it;
(b) is not loaded in excess of its rated load, or loaded or used in a
manner that affects its stability or endangers a worker;
(c) is used only on a firm level surface that complies with the
conditions required for its use;
(d) is not moved unless all workers on it are protected from falling;
and
(e) when elevated, is accessed by a worker only if procedures
for doing so have been established in accordance with the
manufacturer’s specifications or those of the professional
engineer who designed it, and then only in accordance with
those procedures.