In which year ASEAN Regional Forum was established?

1994

The correct answer is Option 1 - 1994

The ASEAN security community was based on the conviction that outstanding territorial disputes should not escalate into armed confrontation. By 2003, ASEAN had several agreements in place by which member states promised to uphold peace, neutrality, cooperation, non-interference, and respect for national differences and sovereign rights. The ASEAN Regional Forum (ARF), which was established in 1994, is the organisation that carries out coordination of security and foreign policy.