Tax Court March 1991 casesPhoenix Mut. Life Ins. Co. v. Comm'r of Internal RevenueHillig v. Comm'r of Internal RevenueFirst Chicago Corp. v. Comm'r of Internal RevenuePhoenix Mut. Life Ins. Co. v. Comm'r of Internal RevenueVulcan Materials Co. & Subsidiary v. Comm'r of Internal RevenueRosenberg v. Comm'r of Internal RevenueAsh v. Comm'r of Internal RevenueHillig v. Commissioner of Internal Revenue