Singapore and New Zealand have formalized a key mechanism for resolving tax treaty disputes through arbitration. The two nations signed a Memorandum of Arrangement (Arrangement) on 18 and 21 November 2024, detailing the implementation of mandatory binding arbitration under their double taxation agreement (DTA).
Core Function: The Arrangement operationalizes Part VI of the Multilateral Convention to Implement Tax Treaty Related Measures to Prevent Base Erosion and Profit Shifting (MLI) for bilateral tax disputes. It provides a clear pathway for arbitration when the competent authorities of Singapore and New Zealand fail to resolve a Mutual Agreement Procedure (MAP) case within two years.
Legal Basis: This arbitration mechanism takes effect under Article 22 (Mutual Agreement Procedure) of the Singapore-New Zealand DTA, as specifically modified by Article 16 (Mandatory Binding Arbitration) and paragraph 10 of Article 19 (Mandatory Binding Arbitration – Procedural Rules) of the MLI.
Key Procedural Details: The Arrangement outlines critical operational aspects, including:
- The minimum information requirements necessary for the competent authorities to commence substantive consideration of a case for arbitration.
- The process for appointing or replacing members of the arbitration panel, ensuring their impartiality and independence throughout the proceedings.
- The detailed arbitration process itself, governing how disputes will be heard and decided.
- Protocols for the communication of information and ensuring confidentiality during arbitration.
Reservation: Both countries have reserved the right to exclude cases involving the application of their respective domestic general anti-avoidance rules (GAAR) from the scope of this arbitration process.
This Arrangement enhances the dispute resolution framework between Singapore and New Zealand, providing taxpayers with greater certainty that unresolved treaty-related tax disputes will be settled within a defined timeframe through an impartial arbitration process. It represents a commitment to implementing the BEPS Project’s minimum standards for improving dispute resolution mechanisms.
Source: IRAS, 29 November 2024.