The Supreme Court on Friday rejected a challenge to the constitutionality of the mandatory repatriation tax, a provision of the 2017 corporate tax reform law that critics have dubbed the Biden administration's "wealth tax." The 7-2 decision by Justice Brett Kavanaugh upheld the tax, which imposes a one-time levy on undistributed profits from U.S. shares The Supreme Court rejected a challenge to President Joe Biden's so-called wealth tax.