Curated—not exhaustive
Federal resources
A short list of primary sources our editors return to when verifying information. Fewer tabs, higher confidence.
Last reviewed: April 2026
How we use these links
Harborlight pages are living drafts. When a federal agency updates guidance, we aim to refresh our summaries and point you to the same underlying sources you would trust in a provider’s office waiting room.
If something looks outdated
Tell us on the contact page with the page URL. We track corrections publicly on our methodology page.
Primary sources to verify details
Rules and programs change. Use these official links for forms, income limits, and state specifics.
- CDC — Autism spectrum disorder
- U.S. Department of Education — IDEA
- Social Security Administration
- Medicaid.gov
- ABLE National Resource Center
- Administration for Community LivingCommunity living, aging, and disability programs across the federal family.