Confirm the current rule before acting.
This is a starter answer. For steps and limits, work through the guide linked above and the checked sources below.
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Start an RESP explains the broader decision and links to related tools.
Beginner questions
How long can an RESP stay open?
Source status: this educational answer links to the government, regulator, school, or provider sources used for the current review. It is not personal financial, tax, legal, or investment advice.