The Regional Income Tax Agency (RITA) mailed Administrative Subpoena letters to taxpayers that did not respond to the Non-Filing Income Tax Notice that was sent before the Subpoena was issued. Taxpayers can simply send RITA the documents listed on the letter by e-file, mail or fax. More details about Administrative Subpoenas can be found at https://www.ritaohio.com/Individuals/Home/SubpoenaNotice