(September 25, 2020, 2:39 PM EDT) -- WASHINGTON, D.C. — The District of Columbia's tax on insurers that do not participate in the health insurance exchange does not violate the Patient Protection and Affordable Care Act (ACA) or nondelegation principles, a District of Columbia appellate panel said Sept. 24 (Unum Life Insurance Company of America, et al. v. District of Columbia, Nos. 17-TX-1296, 17-TX- 1297, 17-TX-1298, 17-TX-1299, 17-TX-1300, & 17-TX-1301, D.C. App., 2020 D.C. App. LEXIS 384)....