The US Department of Transportation regulations (49 CFR) applies to all shipments of hazardous materials within, to and from the US. Other regulations (those of the country of origin, destination or transit) will apply, in addition, to shipments from or to the US. And if the material is sent by air or ocean vessel, still other regulations will apply.
IATA DGR - International Air Transport Association Dangerous Goods Regulations would be the most appropriate publication to use if you were transporting hazardous materials via commercial air
The most appropriate publication to use if you were transporting hazardous materials from the US to Japan via a maritime vessel is the IMO (International Maritime Organization's IMDG (International Maritime Dangerous Goods Regulations)
AFMAN 24-204(i)
AFMAN (Air Force Manual 24-204 (I))
When transporting regulated hazardous materials from the US to Japan on an oceangoing vessel, the most appropriate set of regulations to comply with are the International Maritime Dangerous Goods (IMDG) Regulations, published by the International Maritime Organization (IMO)
Small quantities of certain regulated hazardous materials may be carried on a motorcycle, but in general a motorcycle is not an appropriate vehicle for transporting regulated hazardous materials.
The International Maritime Dangerous Goods Code (IMDG Code), issued by the International Maritime Organization (IMO), regulates the movement of hazardous material by vessels in international waters.
In the United States, a commercial driver's license (CDL) is typically required for transporting hazardous materials, including oil, in quantities over 119 gallons. However, if you are transporting less than that amount and it is not classified as hazardous, a CDL may not be necessary. It's essential to check state-specific regulations, as they may have their own requirements regarding the transport of oil and hazardous materials.
IMDG
EPA Form 8700-22
EPA Form 8700-22
Afman 24-204 (i)