Direct answer
No. OAP does not provide retroactive funding for therapy expenses incurred before registration or during the waitlist period. Funding begins from the date of a funding invitation — not from registration or diagnosis. Foundational Family Services ARE available immediately and free after AccessOAP registration.
OAP is structured as a prospective program — it funds services from the date of a formal funding invitation forward. The Ontario government has not created a reimbursement mechanism for privately-purchased therapy, even when families were on the waitlist for years before receiving an invitation.
This is one of the financial arguments raised in human rights proceedings related to OAP. Families report spending $40,000–$80,000 per year on private ABA while waiting, with no compensation when the funding invitation arrives.
For families who age out before receiving an invitation, the entire private investment yields no OAP reimbursement.
Foundational Family Services (free, immediate): Available at no cost immediately after AccessOAP registration. Includes caregiver coaching, family-directed supports, and transition planning. These are not Core Clinical Services (funded ABA/therapy) but they are free and available without a waitlist.
One-time interim funding (limited eligibility): Introduced in 2023–2024. Contact AccessOAP at 1-833-425-2445 to ask whether your child may qualify.
Jordan's Principle (First Nations families only): Federal program administered by Indigenous Services Canada. Separate from OAP and often faster.
The Disability Tax Credit (DTC), Child Disability Benefit (CDB), and RDSP are federal supports independent of OAP status.
Therapy expenses paid privately while on the OAP waitlist may qualify for the Medical Expense Tax Credit (METC). Eligible expenses include ABA therapy, SLP, OT, and some psychological services. Confirm with a tax professional or CRA guidance.
METC does not replace the therapy cost — it provides partial tax relief.
Ontario schools provide Individual Education Plans (IEPs) under PPM 140 for students who need them. IEP-based supports are separate from OAP and do not require OAP registration.
For school-age children, an IEP can provide meaningful behaviour, communication, and learning support while families wait for OAP Core Clinical Services.
AccessOAP
OAP funding period and reconciliation rules — 1-833-425-2445
CRA
Medical Expense Tax Credit eligibility — Canada Revenue Agency
What happens if you cannot spend OAP funding by the deadline. Eligible expenses, the school-use gap, receipt rules, and how to handle leftover funds.
The $20,000 OAP interim one-time funding has been distributed to most eligible families. As of 2025, most waitlisted families have received it. Foundational services continue for all.
Commitment to Accuracy: Our data is verified against official government reports (FAO, MCCSS), peer-reviewed scientific literature, and accessible public records. Last updated: March 24, 2026.
How many children are on the Ontario autism waitlist in 2026?
As of May 13, 2026, 91,974 children are registered with the Ontario Autism Program. However, only 20,711 (22.5%) have an active Core Funding Agreement. This represents ~300% growth in registrations since 2019, with 71,263 children still waiting for essential funding.
Source: MCCSS FOI via OAC · Mar 2026, FAO Report 2024 · Verify Link
Written by Spencer Carroll
Founder & Autism Advocate