Supplier need to prepare
Each of product need to have its FI specific checklist
If use one FI checklist, it shall be WI for work with each article instead, to ensure the uniqueness of each article will be taken care.
It must be signed for each otherwise all relevant documents shall be under one doc control no./version for example, 20 FI checklist under one FI procedure, if one FI checklist change, the FI procedure shall be re agree and update doc no. by FI procedure level