code/modules/cargo/packs/imports.dm

/datum/supply_pack/imports	Imports category. This is for crates not intended for goodies, but also not intended for departmental orders. This allows us to have a few crates meant for deliberate purchase through cargo, and for cargo to have a few items they explicitly control. It also holds all of the black market material and contraband material, including items meant for purchase only through emagging the console.
/datum/supply_pack/imports/blackmarket_telepad	The Long To Short Range Bluespace Teleporter, used to deliver (black) market purchases more effiiently It can also be used to restock it, if you hit it with enough credits.