Section 140.205 - Subpoenas(a) In any investigation conducted pursuant to this subchapter, the investigating officer shall have the power to administer necessary oaths, subpoena witnesses, and require the production of books, papers, documents, and any other evidence.(b) Attendance of witnesses or the production of books, papers, documents, or any other evidence shall be compelled by a process similar to that used in the District Courts of the United States.