ITAR - International Traffic in Arms Regulations 123.17: Use the personal protective gear exemption only for personal use and report losses

U.S. persons may temporarily export one set of Category X(a)(1) body armour (with one helmet) or one set of Category XIV(f)(4) chemical agent protective gear (with one extra filter canister) without a licence if they declare it to CBP on each departure with the Internal Transaction Number, carry it in their baggage, use it exclusively themselves and intend to return it; the exemption extends to 126.1 countries, Iraq and Afghanistan only on the stated official, contractor or authorised conditions; articles not returned must be reported to the Office of Defense Trade Controls Compliance under 127.12(c)(2); individuals need not register, but other entities must (123.17).