Tax Court December 1986 casesKing v. Comm'r of Internal RevenueMichaels v. Comm'r of Internal RevenueIllinois Power Co. v. Commissioner of Internal RevenueBosurgi v. Commissioner of Internal RevenueIllinois Power Co. v. Comm'r of Internal RevenueNational Starch Chemical Corp. v. Comm., Int. Rev. 31669-84