NAFO has various Working Groups operating under the direction of its two constituent bodies, specifically:

Working Groups operating under the direction of the NAFO Commission

• NAFO Commission Ad Hoc Working Group on Bycatches, Discards and Selectivity (WG-BDS) in the NRA 
  Terms of Reference: NAFO/FC Doc. 13-25

• NAFO Ad hoc virtual NAFO Website Re-design Working Group: Phase II – Data Classification

Working Groups operating under the direction of the Standing Committee of International Control (STACTIC)

• NAFO STACTIC Editorial Drafting Group of the NAFO CEM (EDG)

• NAFO STACTIC Observer Program Review Working Group (WG-OPR)
  Terms of Reference: NAFO/COM Doc. 17-24

Working Groups operating under the direction of the NAFO Scientific Council

• NAFO Scientific Council Working Group on Ecosystem Science and Assessment (WG-ESA)

Working Groups operating under the joint direction of the Commission and Scientific Council

• NAFO Joint Commission-Scientific Council Catch Estimation Strategy Advisory Group (CESAG) 
  Terms of Reference: NAFO/COM-SC Doc. 17-09 and NAFO/FC Doc. 13-08

• NAFO Joint Commission-Scientific Council Working Group on Ecosystem Approach Framework to Fisheries Management (WG-EAFFM) 
  Terms of Reference: NAFO FC/SC Doc. 14-05 and NAFO/FC Doc. 13-19

• NAFO Joint Commission-Scientific Council Working Group on Risk-Based Management Strategies (WG-RBMS)
  Terms of Reference: NAFO/FC Doc. 13-18
• NAFO Joint Commission-Scientific Council Working Group on Improving Efficiency of NAFO Working Group Process (E-WG)
  Terms of Reference: NAFO/FC-SC Doc. 16-05

Meeting reports of the NAFO Working Groups can be found here: https://www.nafo.int/Library/NAFOdocuments

Various Joint Working Groups, in cooperation with other RFMOs, specifically:

• Joint Advisory Group on Data Management (JAGDM)
• ICES/NAFO Joint Working Group on Deep-water Ecology (WG-DEC)
• ICES/NAFO/NAMMCO Working Group on Harp and Hooded Seals (WG-HARP)
• NAFO/ICES Pandalus Assessment Meeting (NIPAG)