Omission of Wealth-tax provisions under amendment removes listed sections, changing the statutory structure and filing obligations. Sections 8A, 8AA, 8B, 9A, 10A, 11A, 11AA, 11B, 12 and 13 of the Wealth-tax Act are omitted by the Direct Tax Laws (Amendment) Act, 1987, with effect from the 1st day of April, 1988, thereby removing the listed provisions from the statute and altering the Act's operative text as of the stated commencement.