Sponsor and co-signor, both.Does the 20 years below refer to the co-signer or for all individuals included in the sponsorship i.e. dependent child ?
Undertaking length for parents and grandparents sponsorship
Your obligations as a sponsor and as a co-signer, if applicable, begin when your family members included in the sponsorship undertaking become permanent residents of Canada.
When you sponsor a parent or a grandparent, the undertaking is valid for 20 years, and for all persons included in the sponsorship undertaking.