How do I get my child evaluated for Section 504 eligibility?

What does the Section 504 evaluation entail?

My doctor has provided a prescription with a diagnosis of ADHD and for 504 accommodations. Is my child eligible for Section 504 based on that documentation?

Are there any impairment’s which automatically mean that a student has a disability under Section 504?

Does a medical diagnosis of an illness automatically mean a student can receive services under Section 504?

Can you define substantial limitation as described under Section 504?

What are the responsibilities of regular education teachers with respect to implementation of Section 504 Accommodation Plans?