Federal Clean Air Act- Title V Operating Permits Back To All Programs Federal Clean Air Act- Title V Operating PermitsAboutResources GuidanceOverviewRegulations & Rules Subscribe Categories Topics Enforcement Title V of the federal Clean Air Act (CAA), as amended in 1990, creates an operating permits program that is implemented by the states. More about this program Email UpdatesJoin the Federal Clean Air Act- Title V email list for updates.Subscribe OverviewDistrict Title V RulesGuidance Popular Resources Links External LinksTitle V Operating Permits Issued under Title V of the Clean Air Act