BTS team would assist and help client in tax dispute, such as Tax audit, Assistance in Submission of Reduction and/or Cancellation of Incorrect Surat Tagihan Pajak (STP) or Surat Ketetapan Pajak Kurang Bayar (SKPKB), Tax Objection (Keberatan), Tax Appeal (Banding) and Tax Lawsuit (Gugatan) at The Tax Court, and also Tax Judicial Review (Peninjauan Kembali) to Supreme Court.