Multiple transactions are used any time there is more than one transaction involved for the person listed in Part I regardless of whether it is done at a teller, through a night drop or ATM or by courier.
It is not considered a teller transaction for the purposes of using aggregated transactions.
See FinCEN Guidance FIN 2013-R001 to see if you should check box 2d and entered the information regarding the armored car company into Part I or check the appropriate box in Item 24 for Armored Car (FI Contract).
https://www.fincen.gov/news_room/rp/rulings/html/FIN-2013-R001.html
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