21. Where in a workplace a controlled product is transferred from one container to another, the employer shall ensure that a label listing the information prescribed in section 17 is affixed to the second container.
The employer is not required to affix such a label where(1) the container holding the transferred product is a portable container filled from a container labelled pursuant to section 8 or 17 or pursuant to one of the Acts referred to in section 6 and applicable to that product(a) if that product is intended to be used immediately and in its entirety, or
(b) if that product is in the care of the worker who transferred it, is used solely by that worker during the shift in which it was transferred, and is clearly identified,
(2) the transferred product is a laboratory sample, its content is clearly identified and the workers have ready access to the information listed on the material safety data sheet or product label or in another document listing the same information, or
(3) the transferred product is supplied by a laboratory supplier, it is intended solely to be used or analyzed in a laboratory, its content is clearly identified, and the workers have ready access to the information listed on the material safety data sheet or product label or in another document listing the same information.