from this page https://www.canada.ca/en/immigration-refugees-citizenship/services/application/application-forms-guides/guide-5552-applying-change-conditions-extend-your-stay-canada-student.htmlProof of funds is cash in the bank with statements over past 4 months, not future income. With new rules, you show funds for first year tuition too.
https://www.canada.ca/en/immigration-refugees-citizenship/services/study-canada/study-permit/get-documents.html#financial-reqs
it looks like spouses of work permit holders dont need to show financial proof when applying from within canada .
exerpts are
- Proof of financial support while you study in Canada:
You must prove you have enough money (in Canadian funds) to support yourself while you study in Canada. This can include:- a bank statement or a letter from a Canadian bank showing how much money you have in your bank account (must indicate your name and the account number);
- a copy of the letter giving the details about your scholarship or Canadian-funded educational program (such as a CIDA program);
- a letter from a person (describe the relationship to you) who is giving you financial help, explaining the arrangements made for your expenses. (This information is protected under the Privacy Act and cannot be released to a third party without your sponsor’s consent.)
- Persons and their family members whose refugee claim has been sent to the Refugee Division do not have to give proof of financial support.
Family members of foreign students and temporary workers who need a study permit to attend primary or secondary school, do not need to show proof of financial support.