Conn. Gen. Stat. § 12-506g

Any shareholder in a small business corporation, as defined in Section 1371 of the Internal Revenue Code, which corporation has made an election not to be subject to tax as a corporation under the federal income tax in accordance with Section 1372 of the Internal Revenue Code, shall not be subject to tax under section 12-506 with respect to any gains from the sale or exchange of capital assets, as defined in section 12-505 , included in the income of such corporation for purposes of determining the tax imposed on such corporation under chapter 208.