There is a small business I am looking at acquiring that has a small amount of sales from a Chinese vendor that drop ship to a customer facility that is located in Russia. The customer is a large, publicly traded U.S. entity that has an assembly facility in Russia. The small business is paid in advance by the customer in dollars. The products are for the medical industry and are not sold in Russia. Does anyone know any good online resources with a plain language explanation of the rules around this with the sanctions in place?