Please be informed the application of IMSBC Code Amendment 06-21 as follows.
The IMSBC Code amended by IMO Resolution MSC.500(105) is referred to as "IMSBC Code 6th Amendment" in this Technical Information.
The current IMSBC Code 5th Amendment is valid until 30 November 2023. Therefore, ClassNK Technical Information No.TEC-1196 dated 24 December 2019 will be revoked on 30 November 2023.

1. Application of the IMSBC Code 6th Amendment
The IMSBC Code 6th Amendment to revise individual schedules of cargoes was adopted by the IMO Maritime Safety Committee 105th session (MSC105) held in April 2022. The Amendment will enter into force on 1 December 2023 and will be mandatory for all ships loading solid bulk cargoes on or after 1 December 2023.

2. Cargoes newly added or revised
The IMSBC Code 6th Amendment contains individual schedules of cargoes newly added or revised, which refer to Attachment 1 "Table 1 - Cargoes newly added and requirements on construction/equipment (IMSBC Code 6th Amendment)".

3. Request of issuing the IMSBC Code fitness certificate
In case requesting issuance of the fitness certificate for the IMSBC Code 6th Amendment, please refer to Attachment 2 "Guidance for the application of IMSBC Code 6th Amendment fitness certificate".

4. Application of the IMSBC Code 6th Amendment on a voluntary basis
The IMSBC Code 6th Amendment may be applied on a voluntary basis from 1 January 2023 as a transition period. Therefore, in principle, ClassNK would issue IMSBC Code fitness certificates in accordance with the IMSBC Code 6th Amendment based on the following scheme.
(1) For cargoes of 'Group A and B' or 'Group B' listed in Table 1 of Attachment 1, the certificates will be issued in accordance with the IMSBC Code 6th Amendment in cases where ships comply with the corresponding requirements. In some cases, it may be necessary to carry out an onboard survey in order to issue the certificate. Please contact ClassNK Material & Equipment Department (EQD) if need more information.

(To be continued)