Such a granting of benefits shall be based on the principle of reciprocity unless otherwise decided by the Union, and shall be supported by an international agreement or Union legislation in the area of the common commercial policy.
Bunófar deonú tairbhí mar sin ar phrionsabal na cómhalartacha mura gcinnfidh an tAontas a mhalairt, agus tacóidh comhaontú idirnáisiúnta nó reachtaíocht Aontais i réimse an chomhbheartais tráchtála leis an deonú sin.