| Income Tax - Article 26 (Income Tax for Foreign Taxpayers) | 
          
                                                                                        | Withholding Article 21 Tax | 
          
                                                                                        | Article 23 Income Tax | 
          
                                                                                        | Withholding Income Tax – Article 4(2) Corporate Taxpayer | 
          
                                                                                        | Stamp Duty | 
          
                                                                                        | Tax Audit | 
          
                                                                                        | Tax Collection | 
          
                                                                                        | Tax Dispute Resolution | 
          
                                                                                        | Tax Assessment Correction | 
          
                                                                                        | Tax Refund | 
          
                                                                                        | Administrative Penalty Reduction and Annulment | 
          
                                                                                        | Proxy of Taxpayer |