In the context of US export controls, the abbreviation US EAR refers to the US Export Administration Regulations. The US EAR are a set of regulations that can be found in the US Code of Federal Regulations (CFR) – namely within Title 15 CFR § 730-774. These Export Administration Regulations are administered by the US Commerce Department’s Bureau of Industry and Security (BIS).
The US EAR govern the export, reexport, and transfer (in-country) of dual-use items (commodities, software, and technology). §734.3(b) of the EAR defines which items or activities do not fall under the jurisdiction of the Export Administration Regulations.
US EAR-regulated items are either listed on the Commerce Control List and have an ECCN due to their technical characteristics or they can be classified as EAR99.