How is seafood delivered,

$$d$.$Is there a return service or material flow of seafoods at target $($discrepant or faulty material, end of life or recycling$)?$ If not, why not?$$ If so$,$ what is it$?$

$$e$.$How is it returned?

$$f$.$What is the primary information flow?$$

$$i$.$Paper$,$ electronic, other?

$$ii$.$Describe the documents $($forecasts$,$ purchase orders, Request of Quotes, etc.$)$