Vessel & Company Commitments

ISSF's Role

Our conservation measures help seafood companies make sustainability a central part of how they do business.

Our Conservation Measures

We develop conservation measures to help seafood companies and vessels improve the sustainability of tuna fisheries.

Report a Compliance Issue

Use this form to contact ISSF about a compliance concern.

Participating Companies

Audit Process

Through third-party auditing, we report on participating companies’ compliance with ISSF conservation measures.

Compliance Report

Download our PDF report tracking participating companies’ compliance with ISSF conservation measures.

Participating Company Audit Reports

ISSF publishes individual reports on each participating company’s compliance.

Data Check Companies

ISSF Data Check Companies commit to conform to, and be audited on, a more limited set of conservation measures.

ProActive Vessel Register (PVR)

Fishing vessels can be registered on the ProActive Vessel Register (PVR) to show how they are following sustainability best practices.

ProActive Vessel Register (PVR) List

Learn about vessels worldwide that are registered on ISSF’s PVR.

Apply to the PVR

Find out how to apply to have vessels listed on the PVR.

PVR Vessel Auditing

Vessels listed on the PVR undergo regular auditing to verify their compliance with ISSF conservation measures.

PVR FAQs

Find answers to common questions about the PVR.

Terms of PVR Participation

Read the terms and conditions that govern vessel listing on the PVR.

Vessels in Other Sustainability Initiatives (VOSI)

VOSI lists vessels that have made certain sustainability commitments beyond those reflected on the ProActive Vessel Register (PVR).

Vessels in Other Sustainability Initiatives (VOSI) List

Apply to the VOSI

The VOSI Auditing Process

Public Vessel List Overview

In addition to the PVR, ISSF maintains three other public vessel lists.

Record of Large-Scale Purse Seine Vessels

Our Record of Large-Scale Purse Seine Vessels (LSPSR) lists large-scale, tropical-tuna purse-seine vessels worldwide.

Tuna Vessel IMOs and Other UVI Numbers

International Maritime Organization (IMO) numbers and Unique Vessel Identifiers (UVIs) assist in vessel identification.