Aug 9, 2017 - Watchdog files complaint alleging DNC worked with Ukraine
Federal law and [FEC] Commission regulations prohibit any person from knowingly soliciting, accepting or receiving contributions or donations of money or other things of value from a foreign national, the complaint reads.
FACT alleges that Chalupa violated the ban by knowingly soliciting a valuable in-kind contribution in the form of opposition research and information on a Trump campaign official from a foreign national on behalf of the Democratic National Committee.
http://thehill.com/homenews/campaign/345892-watchdog-files-fec-complaint-of-dnc-work-with-ukraine
complaint filed with FEC - https://docs.wixstatic.com/ugd/65db76_0f5023e8f1e84ade94fd538bb4c2b3a9.pdf