I got this from the CIC website the link is below..it lists who can sponsor and whatnot.
http://www.cic.gc.ca/english/pdf/kits/guides/3900E.pdf
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Who can sponsor?
You may be eligible to sponsor if:
•the person you want to sponsor is a member of the family class;
Note:If that person is not a member of the family class, you will not meet sponsorship requirements and, therefore, your application to sponsor will not be approved and the application for permanent residence of the person you want to sponsor will be refused, unless you decide to withdraw your sponsorship application. If you withdraw the sponsorship, you will have no appeal rights.
•you are 18 years of age or older;
•you are a Canadian citizen or permanent resident;
•you reside in Canada;
Canadian citizens not residing in Canada may sponsor their spouse, common-law partner, conjugal partner and/or dependent children who have no dependent children of their own. Canadians travelling abroad as tourists are not considered to be residing outside Canada.Sponsors not residing in Canada must provide evidence that they reside exclusively outside Canada on the date of giving the undertaking and will reside in Canada at the time their sponsored spouse, common-law partner, conjugal partner and/or children become permanent residents of Canada. Evidence that they will reside in Canada may include one or more of the following:
·letter from an employer;
·letter of acceptance to a Canadian educational institution;
·proof of having rented/bought a dwelling in Canada;
·reasonable plans for re-establishing in Canada or severing ties to the other country.
•you sign an undertaking promising to provide for the basic requirements of the person being sponsored and, if applicable, his or her family members;
•you and the person being sponsored sign an agreement that confirms that each of you understands your mutual obligations and responsibilities;
If you reside in Quebec, see Step 2 of How to apply to sponsor for additional information on forms to complete.
•you have an income that is at least equal to the minimum necessary income, the amount of which is>>>>>