26 U.S.C. § 280B: Demolition of structures

any amount expended for such demolition, or any loss sustained on account of such demolition; and amounts described in paragraph (1) shall be treated as properly chargeable to capital account with respect to the land on which the demolished structure was located. The amendments made by this section [amending this section] shall apply to taxable years ending after December 31, 1983 , but shall not apply to any demolition (other than of a certified historic structure) commencing before July 19, 1984 . For purposes of paragraph (1), if a demolition is delayed until the completion of the replacement structure on the same site, the demolition shall be treated as commencing when construction of the replacement structure commences. on April 1, 1984 , a corporation was retained to advise the bank on the final completion of the project, and on June 12, 1984 , the Comptroller of the Currency approved the project. such structure was used in the manufacture, storage, or distribution of lead alkyl antiknock products and intermediate and related products at facilities located in or near Baton Rouge, Louisiana, and Houston, Texas, owned by the same corporation, and demolition of at least one such structure at the Baton Rouge facility commenced before January 1, 1984 .”