Andean Trade Preference Extension Act of 2011 - Amends the Andean Trade Preference Act (ATPA) to extend duty-free treatment or other preferential treatment of the products of Colombia and Ecuador through November 30, 2012.
Extends through FY2013 preferential treatment for apparel articles assembled in one or more beneficiary countries from regional fabrics or regional components, and specified other type apparel (brassieres).
Extends the President's authority to take bilateral emergency action to grant duty-free treatment of certain apparel articles imported from an ATPDEA beneficiary country.
Requires the liquidation or reliquidation (refund of duties) on such articles that entered into the United States after February 12, 2011, and before the 15th day after enactment of this Act.