9 Notwithstanding paragraph 102(1)(a), subsection 102(2), paragraph 103(1)(m) and subparagraphs 103(4)(a)(xiii), (b)(xiii) and (c)(xiii) of the Regulations, the amount to be deducted or withheld by an employer and remitted to the Receiver General of Canada pursuant to Part I of the Regulations shall, in the case of
[...]
be determined as if the employee reported for work at an establishment of the employer in Quebec.