From the Singapore Maritime and Port Authority which states in part:

Resolution MSC.239(83) – Adoption of amendments to the International Convention for the Safety of Life at Sea, 1974, as amended…

The following amendments to the SOLAS Convention are expected to enter into force on 1 July 2009…

b) new regulation VI/5-1 on material safety data sheets (MSDS), to require ships carrying MARPOL Annex I cargoes (oil) and marine fuel oils to be provided with a material safety data sheet prior to loading such cargoes.

For MSDS, the resolution refers to the mandatory application of resolution MSC.150(77), which contains the specifications and format of MSDS. The resolution is expected to be revised at BLG 12 (Feb 08), and any revision should be applicable on the entry into force date of 1 July 2009. MPA will inform the shipping community of further developments regarding MSDS.

For the full annoucement click on the above link.