 Kostin also suggested appointing Dmitry Rudenko, the current head of Leto Bank, as the head of the National Post Bank..In March 2017, Ukraine imposed sanctions against VTB Bank and subsidiaries for the alleged Russian interference in Ukraine.In November 2017, the United States increased Executive Order 13662 sanctions, with Directive 1 amended to increase the financial sanctions for "all transactions in, provision of financing for, and other dealings" in new equity or new debt issued on or after 28 November 2017 to "longer than 14 days maturity".