Orbital Customs Offices are the primary points of contact between planetary and interplanetary economies. These facilities, resembling massive hangars in space, provide high-volume, high-frequency cargo transport services between a planet's surface and orbit.
Excerpt from the Amarr Prime Customs Agency regulations, section 17, subsection 4, paragraph 8:
The following items may only be imported or exported with the express prior approval of the Imperial Underscrivener for Commercial Affairs:
Narcotic substances; handheld firearms; slaver hounds (except as personal property); Mindflood; live insects; ungulates; Class 1 refrigerants and aerosols; forced laborers/personal slaves (or other sapient livestock); animal germ-plasm; biomass of human origin; xenobiotics; walnuts.