The former president of Ukraine, Viktor Yanukovych, stated in November 2010 and March 2012 that Ukraine may join the Customs Union in the future, but that the Constitution of Ukraine did not presently allow them to join.
O ex-presidente ucraíno, Viktor Yanukovych asegurou (en novembro de 2010 e en marzo de 2012) de que Ucraína pode unirse á Unión Aduaneira no futuro, pero que a Constitución de Ucraína actualmente non lles permiten participar.