F.I.O.

free in and out: a term of contract in which a ship charterer pays for loading and unloading.

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f.i.o. abbreviation business

for information only: written on a business letter or email to show that it is being sent to someone in order to give them information, and they are not expected to reply or take any action

Thesaurus: abbreviations in letters and correspondence_hyponym

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f.i.o.,

(in shipping) free in and out.