(a) An S corporation shall not be subject to the tax imposed by section 5832 of this title, except to the extent of income taxable to the corporation under the provisions of the Internal Revenue Code.
(b) For the purposes of section 5823 of this title, each shareholder’s pro rata share of the S corporation’s income attributable to Vermont and each resident shareholder’s pro rata share of the S corporation’s income not attributable to Vermont shall be taken into account by the shareholder in the manner provided in 26 U.S.C. § 1366.