The Office of Commercial Vessel Compliance’s (CG-CVC) Work Instruction (CVC-WI-002 (series)) provides a full overview of these programs including incentives, eligibility requirements and application instructions. This Work Instruction along with other guidance on port state control matters can be found on CG-CVC’s Mission Management System (MMS) webpage:

Effective July 1, 2025, applications for Qualship 21 and E-Zero will be consolidated to a single application form. All applicants requesting vessel enrollment(s) for Qualship 21 or E-Zero must apply using the link below:

Before any ship can be enrolled into Qualship 21 program. it’s flag Administration must be qualified for the QS21 program. For a flag administration to become qualified, they must meet the eligibility criteria outlined in CVC-WI-002.

The following flag administrations have met all the requirements for full participation in the Qualship 21 program (through the end of June 2026: