Singapore legislation
Regulation 5
of Diplomatic and Consular Relations (Permanent Court of Arbitration) Order 2007
Regulation 5
Immunities and privileges of participants in PCA Proceedings
Subregulation 1
Every participant in a PCA Proceeding who is not a citizen or permanent resident of Singapore enjoys and has —
immunity from suit and legal process of every kind in respect of all words spoken or written and all acts done by him or her in connection with a PCA Proceeding;
inviolability of his or her documents and papers; and
the right to send and receive correspondence by courier or in a bag, such courier to enjoy the same privileges and immunities as a diplomatic courier, and such bag to have the same status as a diplomatic bag, under Article 27 of the Vienna Convention on Diplomatic Relations,except insofar as in any particular case that immunity or privilege is waived —
in a case where the participant represents or is designated by a State which is a party to the PCA Proceeding — by the State; or
in any other case — by the Secretary‑General.
Subregulation 2
The immunity under sub‑paragraph (1)(a) continues to apply even after the participant in the PCA Proceeding ceases to be such a participant.
Subregulation 3
Every participant in a PCA Proceeding who is a citizen or permanent resident of Singapore enjoys and has immunity from suit and legal process of every kind in respect of all words spoken or written and all acts done by him or her in connection with a PCA Proceeding, except insofar as in any particular case that immunity is waived —
in a case where the participant represents or is designated by a State which is a party to the PCA Proceeding — by the State; or
in any other case — by the Secretary‑General.
Subregulation 4
The immunity under sub‑paragraph (3) continues to apply even after the participant in the PCA Proceeding ceases to be such a participant.