Impeach court grants request to subpoena BIR, bank, insurance execs. MANILA, Philippines — The Senate impeachment court on Thursday granted the House prosecution panel’s request to subpoena several representatives of banks and insurance companies, as well as the Bureau of Internal Revenue (BIR) for the impachment trial of Vice President Sara Duterte. This came after lead prosecutor and Batangas Rep. Gerville Luistro announced that the.