PGWP가 처음 생겼을 때는 없었던 것으로 기억하는데, 요즘에는 NOC 0,A,B 군에 속해야 배우자가 open work permit을 신청할 수 있는 것 같군요.
https://www.canada.ca/en/immigration-refugees-citizenship/corporate/publications-manuals/operational-bulletins-manuals/temporary-residents/study-permits/post-graduation-work-permit-program.html

Spouses or common-law partners of post-graduation work permit holders
If the principal applicant is a holder of an open work permit (e.g., post-graduation work permit, Working Holiday work permit), their spouse or common-law partner who is applying for the C41 exemption will need to attach a copy of the principal applicant’s work permit to their own application for an open work permit, along with proof that the principal applicant is employed in an occupation in skill level 0, A or B. The applicant’s spouse or common-law partner will also need to provide information about the principal applicant’s employment by attaching supporting documents, including the following: a letter from their current employer confirming employment or a copy of their employment offer or contract
a copy of 3 of their pay stubs

PGWP가 open work permit이라서 당사자는 받은 기간동안 일을 할 필요는 없겠지만 배우자의 open work permit의 경우엔 위의 직업군에 속한 곳에서 일을 해야 한다고 되어 있습니다.

https://www.canada.ca/en/immigration-refugees-citizenship/corporate/publications-manuals/operational-bulletins-manuals/temporary-residents/foreign-workers/exemption-codes/public-policy-competitiveness-economy.html#skilled-workers

Spouses or common-law partners of skilled workers [C41]
Spouses or common-law partners of skilled people coming to Canada as foreign workers may themselves be authorized to work without first having an offer of employment. A dependent spouse is eligible to apply for an open work permit if the principal foreign worker

holds a work permit that is valid for a period of at least six months, or, if working under the authority of section R186 without a work permit, presents evidence that they will be working for a minimum of six months;
is employed in an occupation that falls within National Occupational Classification (NOC) skill levels 0, A or B (which generally include management and professional occupations and technical or skilled trades [see the NOC website]); physically resides or plans to physically reside in Canada while working.

위의 내용은 정부 공식 사이트이고 다른 곳에서도 이렇게 나와 있습니다.
https://www.sfu.ca/students/isap/news-and-updates/2015/PGWP-spouse-open-work-permit.html
Update for Spouses of Post-Graduation Work Permit Holders
December 04, 2015

Are you the spouse of a Post-Graduation Work Permit holder who is interested in working in Canada? You may be eligible for an open work permit if your spouse is employed in an occupation in skill level 0, A or B of the National Occupational Classification (NOC). Citizenship and Immigration Canada (CIC) now requires spouses of Post-Graduation Work Permit holders to include a copy of your spouse’s last three pay slips in your open work permit application package, in addition to all other required supporting documentation. For more information, please visit the CIC website.

Post-Graduation Work Permit holder의 직업이 NOC의 0, A or B에 속해있고 three pay slips의 카피본을 apply할 때 포함해야 된다고 되어 있습니다.

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