On 25th May, OFAC published 2 new FAQ to provide guidance on US persons’ ability to receive payments of principal and interest from blocked persons listed in General Licenses 12C, 14 and 15 for a pre-existing loan or bond, and the sanctions implications for a foreign company paying dividends to a blocked person who is a minority shareholder.
https://www.treasury.gov/resource-center/sanctions/OFAC-Enforcement/Pages/20180525.aspx