if the final chemical processor is a sub-supplier or sub-sub-(etc.-) supplier, then the self declaration should, if possible, be signed by the raw material suppliers as described above.in this case, there shall also be an SD by the final chemical processor stating that they only use the raw materials that are presented in the raw material SDs.If that is not possible, the SD shall be signed by the final chemical processor, in accordance with section 4.4.2, and fulfilling the usual requirement on SD according to section 4.3.