On 14 March, an article from Artnet set out to answer a sampling of the most common questions received from clients and others in the US and around the world. The bottom line it provides is to think of sanctioned parties as functionally dead to the world, and when in doubt, tell clients not to proceed.
https://news.artnet.com/art-world/sanctions-legal-q-and-a-2084877
raytodd.blog 