JPMA List of Registered Organotin-free/Cybutryne-free
Anti-fouling Systems

"International Convention on the Control of Harmful Anti-fouling Systems on Ships, 2001" (hereinafter referred to as "IMO Convention") was adopted at the International Maritime Organization (IMO) diplomatic conference held in October, 2001.

In accordance with IMO Convention;

1. all ships shall not apply or re-apply anti-fouling systems (AFS) containing organotin compounds which act as biocides on and after January 1, 2003.
2. all ships shall not bear AFS containing organotin compounds which act as biocides on their hulls or external parts or surfaces, on and after January 1, 2008. (Organo-tin AFS sould be re-coated by non-organo tin AFS after blasting, or be covered by sealercoats.)
3. Cybutryne was newly added as a prohibited antifouling agent by resolution MEPC331(76) in June 2021.  All ships shall not apply or re-apply anti-fouling paints containing Cybutryne after January 1, 2023.
   Ships bearing an AFS that contains Cybutryn shall either remove the AFS, or apply a sealer coating at the next scheduled renewal of the AFS after 1 January 2023, but no later than 60 months following the last application to the ship of an AFS containing containing cybutryne.
4. Japanese Government ratified this Convention on July 2003. This Convention will entry into force 12 months after 25 States representing 25% of the world's merchant shipping tonnage have ratified it.
5. With this Convention, flag states will verify ship's antifouling system and issue "International anti-fouling system certificate" based on Safety Data Sheet (SDS) or similar document submitted by the ship-owner or the ship operator.

The puropose of this Rule is to provide IMO Convention compliance information and related information to ship owners, ship operators, government authorities in charge and other related bodies by examining paints manufactured/distributed by JPMA Regular members, Supporting members or non-membership companies.

In Japan, manufacturing of TBTO is prohibited since it was defined as "Class 1 specified chemical substances" by Law concerning the Examination and Regulation of Manufacture etc. of Chemical Substances (Hereinafter KASHINHO) in 1989. TPT compounds (7 substances) and TBT compounds (13 substances) were defined as "Class 2 specified chemical substances"in 1990, requiring report for manufacturing / importing of these substances, and they do not exist in Japan since 1996. Therefore, antifouling paints for ships manufactured in Japan may recognize as not containing organotin compound.

1. JPMA shall set up an examination committee, which shall examine the compliance of Anti-fouling systems with the IMO Convention, submitted by Members or Nonmembers for registration for(hereinafter referred to as "the Examination Committee").
2. The decison of Examination Committee will be passed to JPMA, who will inform the applicant by a written notice, and the products recognized as to fulfil the IMO Convention requirement will be listed the on "JPMA List of Registered Organotin-free/Cybutryne-free Anti-fouling Paints" which will be available on JPMA web site.
3. JPMA shall delete registered Anti-fouling system(s) from "JPMA List of Registered Organotin-free / Cybutryn-free Anti-fouling Systems" if;

• JPMA received a notice of discontinuation of a registered Anti-fouling system from member or non-member applicant.
• Expiration of the period specified as 'Valid Term of Registration'
• JPMA recieved a notice from the Examination Committee, stating it is inappropriate to continue registration with reference to 'The Manangement Rule, section 4 III."

It consists of 3 rules and appendices(Form)

1. Applicaiton Rule
2. Examination Rule
3. Maintenance Rule
4. Appendices (Forms)

Once IMO Convention come into force, ship owners and ship operators must carry "International anti-fouling system certificate" issued by government authorities on board ships . JPMA Self-Regulatory Management Rules are in accordance with the lead of MLIT(Ministry of Land, Infrastructure and Transport) and METI (Ministry of Economy, Trade and Industry) to ensure efficient commitment of this complex requirement, and "The List of Anti-fouling Systems Recognized by JPMA"is expected to be referred by Classification Society of Shipping of various nations.

Accepetance of application forms start on January 2004, the fist Examination Committee is scheduled in March 2004.