Stay connected to Bloomberg BNAs Tax and Accounting Center, anytime and from anywhere The Bloomberg BNA Tax Center App offers Tax and Accounting subscribers easy, on-the-go access to federal, state, and international tax analysis, news, integrated source material, and advanced search features, all on their iPhone and/or iPad. This free app provides seamless navigation of Bloomberg BNAs award-winning and renowned tax management expertise and information. This app requires iOS 6 or greater.