What practical steps can parents take while waiting?
To register for the Ontario Autism Program, a child must be under 18, live in Ontario and have a written autism diagnosis from a qualified professional. Suspicion alone does not meet the registration requirement. Register through AccessOAP and supply the supporting documents it requests. The diagnosis must identify the child, assessment date, diagnostic statement and professional’s name and credentials.
Source: Ontario government — Ontario Autism Program eligibility and registration · Open source record