15 C.F.R. § 791.311

(a) BIS may inform VCS hardware importers or connected vehicle manufacturers either individually by specific notice or, for larger groups, through a separate notice published in the Federal Register, that a specific authorization is required because an activity could constitute a prohibited transaction.

(b) Specific notice that a specific authorization is required may be given only by, or at the direction of, the Under Secretary or a BIS official designated by the Under Secretary.