There is nothing like accepting NOI or ITA. Either you receive NOI from OINP or you receive ITA, in both cases you need to submit your documents according to the following deadlines:
- After receiving ITA, you have 90 days to submit your documents via online CIC account
- After receiving NOI OINP, you have 6 months to submit your documents to Ontaio gov via OINP portal. Once you register on OINP portal for submitting documents you have only 14 days. Therefore, it is advised to collect all your documents and only then register with OINP portal. Before registering, you have 6 months to decide if you want to go with OINP NOI or not