shall act in accordance with the following principles:
a)
respect for sovereignty and territorial integrity, equality, non-interference in the internal affairs of States, and commitment to international rule of law;
b)
ensuring party autonomy and free choice of means in dispute settlement;
c)
good faith and a spirit of cooperation in seeking an amicable settlement of international disputes; and
d)
ensuring an impartial, neutral and equitable environment that fosters flexible and efficient approach to peaceful settlement of disputes through mediation.