Temporary importation rules allow goods to be imported for up to three months, with options for extensions. Trade fair entry can be achieved through temporary importation or by paying duties. Bond requirements are set by the United States Council for International Business, with specific requirements for the cornea. Compliance with conventions and English documentation is necessary, and the customs territory includes the 50 states, Puerto Rico, and the District of Columbia, excluding some territories.

#CBP Directives
#Directive 3280-013B
#Code of Federal Regulations (CFR) Title 19
#114.3
#114.22
#114.23
#114.25
#114.31