As previously informed in ClassNK Technical Information No.TEC-1288 and TEC-1315, vessels having AFS Certificate as of the effective date of the amendment to the AFS Convention to add Cybutryne to the list of banned substances (1 January 2023) shall undergo documentary verification and receive AFS Certificate in a new format within 2 years from the effective date (by 31 December 2024).

For the vessels which AFS Certificate in a new format yet has not issued yet, the following Note appears in Survey Status:
[The AFS Certificate is to be re-issued with a new format by 31 December 2024.]

Meanwhile, for the vessels which AFS Certificate in a new format was issued without the result of verification of Cybutryne due to some reason, below Note appears in Survey Status.
[The AFS certificate shall be re-written not later than 31 December 2024 after confirming whether an anti-fouling system contains Cybutryne or not.]

In this regard, for vessels with the above Note, please arrange AFS periodical or occasional survey, for the verification of Cybutryne and receive AFS Certificate in a new format by 31 December 2024.

As announced in TEC-1315, the occasional survey for issuance of AFS Certificate in accordance with the amendment of the AFS Convention can be arranged as a remote survey separately from other surveys, please submit a survey application to the nearest ClassNK service site as necessary.

It is expected to accumulate applications for the occasional survey and issuance of updated AFS certificate towards the end of this year, it is highly appreciated your prompt action.

For any questions about the above, please contact:

NIPPON KAIJI KYOKAI (ClassNK)
Survey Department, Administration Center Annex, Head Office
Address: 3-3 Kioi-cho, Chiyoda-ku, Tokyo 102-0094, Japan
Tel.: +81-3-5226- 2027 / 2028
Fax: +81-3-5226-2029
E-mail: svd@classnk.or.jp