a proceeding before a judge or court of the United States, a United States magistrate judge, a bankruptcy judge, a judge of the United States Tax Court, a special trial judge of the Tax Court, a judge of the United States Court of Federal Claims, or a Federal grand jury;

a proceeding before the Congress;

a proceeding before a Federal Government agency which is authorized by law; or

a proceeding involving the business of insurance whose activities affect interstate commerce before any insurance regulatory official or agency or any agent or examiner appointed by such official or agency to examine the affairs of any person engaged in the business of insurance whose activities affect interstate commerce;