On 3 March, KPMG reported that the Commerce Department had published a final rule adding new licence requirements and review policies for Belarus to the Export Administration Regulations (EAR) to render Belarus subject to the same sanctions that were imposed on Russia under the EAR. The changes took effect from 24 February.
https://home.kpmg/us/en/home/insights/2022/03/tnf-us-sanctions-against-belarus-under-ear.html