Special education leaders need to be aware of long-standing general regulatory requirements under [image omitted]504 for which school districts are often vulnerable. Special education leaders also have to keep current on recent legal developments for "[image omitted]504-only" students, including the effects of the Americans with Disabilities Act Amendments Act on not only eligibility but also entitlement. Most directly within their area of responsibility, special education leaders can no longer treat [image omitted]504 as solely or even primarily within the province of general education; recent court decisions illustrate the emerging advantages of 504 as an additional or additional source of legal claims for "double-covered," or students with IEPs under the IDEA. (Contains 1 table.)