A report on 5-year amortization of emergency defense facilities under section 168 of the Internal Revenue Code of 1954. - [Washington, D.C., 1974?] - 1 v. CRDP Program Historic Shelflist record. Subjects--Topical Terms: Amortization deductions--United States. Gov. Doc. Class. No.: Y 4.IN 8/11:IN 8/19