18D.  [Additional wealth-tax ].— Omitted by the Direct Tax Laws (Amendment) Act, 1989 (3 of 1989), s. 95 (w.e.f. 1-4-1989. Earlier it was inserted by the Direct Tax Laws (Amendment) Act, 1987 (4 of 1988), s. 143 (w.e.f. 1-4-1989).