CRS reviews role of "payment for order flow" in debate over "zero commissions". President Biden revokes Executive Order imposing sanctions against ICC. FINRA proposes extending relief on qualifying exam requirements. DTC proposes amendments to recovery and wind-down plan. OFAC issues new FAQs on Syria-related sanctions. SEC disapproves Nasdaq proposal to remove Beneficial Holders Rule for exchange-traded funds. Effective date set for form amendments under the "Holding Foreign Companies Accountable Act".