On 27 January, OFAC advised the issue of General License 1A (Authorizing Transactions Involving Securities of Certain Communist Chinese Military Companies) and 2 related FAQ. One FAQ explains what the General License covers and the other deals with queries about transactions with entities identified as subsidiaries of a Communist Chinese military company (CCMC).
https://home.treasury.gov/policy-issues/financial-sanctions/faqs/879
https://home.treasury.gov/policy-issues/financial-sanctions/faqs/878
https://home.treasury.gov/policy-issues/financial-sanctions/recent-actions/20210127
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