To renew and modify the temporary duty suspensions on certain cotton shirting fabrics.

Amends the Harmonized Tariff Schedule of the United States to: (1) modify the article description of certain cotton shirting fabrics, and (2) extend the temporary duty suspensions on such fabrics.

Amends the Tax Relief and Health Care Act of 2006 to extend through December 31, 2015, the requirement that the Secretary of the Treasury transfer from the Treasury to the Pima Cotton Trust Fund amounts equal to the duties received in the Treasury from certain imported woven fabrics of cotton since January 1, 2004 (currently, January 1, 1994).

Repeals the limitation that pima cotton be grown in the United States from the formula for determination of annual payments to a nationally recognized association established for the promotion of pima cotton as well as to the yarn spinners of pima cotton. Limits the latter payments to yarn spinners of pima cotton that produce ring spun cotton yarns in the United States.

Requires annual affidavits from shirting manufacturers and from yarn spinners.