On 16 December, OFAC advised that it had added a Vietnamese national and a number of companies (2 UAE, 1 Chinese, 1 Hong Kong, 1 Vietnamese) to its SDN List. These were listed for supporting the Iranian petrochemical industries, with 4 listed for facilitating the export of Iranian petrochemical products by Triliance Petrochemical Co Ltd, an entity itself designated by OFAC in January 2020.
https://home.treasury.gov/policy-issues/financial-sanctions/recent-actions/20201216
https://home.treasury.gov/news/press-releases/sm1214
I had omitted the following link (as it did not seem to generate much interest!), but it seemed time to add it again and say that, if you would like to make a (polite) gesture and help me with my removal and computer costs, I have a page at https://www.buymeacoffee.com/KoIvM842y