Pub. L. 109-432, div. A, tit. IV, sec. 413
REDUCTION IN MINIMUM VESSEL TONNAGE WHICH QUALIFIES FOR TONNAGE TAX MADE PERMANENT.
SEC. 413. REDUCTION IN MINIMUM VESSEL TONNAGE WHICH QUALIFIES FOR TONNAGE TAX MADE PERMANENT.(a) In General.—Paragraph (4) of section 1355(a) is amended by striking “10,000 (6,000, in the case of taxable years beginning after December 31, 2005, and ending before January 1, 2011)” and inserting “6,000”.(b) Effective Date.—The amendment made by this section shall take effect as if included in section 205 of the Tax Increase Prevention and Reconciliation Act of 2005.