The estate of each deceased person who last dwelt in the state shall be subject to and liable for the tax imposed by this chapter upon all dividends and net gains from the sale or exchange of capital assets actually or constructively received by such person in the year of his death, upon which a tax is due and has not already been paid under this chapter.
Conn. Gen. Stat. § 12-506b
(June, 1971, P.A. 8, S. 21; P.A. 73-356, S. 6, 10; P.A. 75-213, S. 44, 53.)