Overview-ADA Standards Assistive listening systems are required by the Americans with Disabilities Act (ADA). There’s several sections of the ADA and other related regulations.ADAADA StandardsADA Graphics for Assistive Listening SystemsADA Places Required to have Assistive Listening SystemsADA Settlements/Disability Rights CasesRelated regulationsBuilding Standard RequirementsInternational StandardsSection 504Surveys of Site Compliance and User PreferencesU.S. State Legislation