5/17/2021
Revenue Ruling 2021-09: AFR June 2021 provides various monthly prescribed rates for federal income tax purposes including the applicable federal interest rates, the adjusted applicable federal interest rates, the adjusted federal long-term rate, and the adjusted federal long-term tax-exempt rate. These rates are determined as prescribed by ยง 1274.
Revenue Ruling 2021-09 will be in IRB: 2021-23, June 7, 2021.