The SEAFDEC Training Department (SEAFDEC/TD) organized the “Teleworkshop on Development and Improvement of Regional Tools for Combating IUU fishing in the Southeast Asia” from 27 to 28 August 2020, back to back with the Teleseminar on Way Forward for Combating IUU Fishing in Southeast Asia, 24 to 26 August 2020. The Teleworkshop were participated by 49 participants from representatives from ASEAN Member States who are responsible for IUU fishing activities in policy-making level, SEAFDEC’s National RFVR Focal Points, and fisheries officers who is responsible in national PSM and port control/inspection. The Teleworkshop mainly discussed on SEAFDEC activities to combat IUU fishing as Regional Fishing Vessels Record (RFVR) and Port State Measures (PSM) and came up with the way forward for the RFVR for vessels 24 meters in length and over including the RFVR for vessels less than 24 meters in length and future actions for the effective and efficient implementation of PSM.