one of the obligations laid down in the customs legislation concerning the introduction of non-Union goods into the customs territory of the Union, their removal from customs supervision, or the movement, processing, storage, temporary storage, temporary admission or disposal of such goods within that territory;
ceann de na hoibleagáidí a leagtar síos sa reachtaíocht chustaim i ndáil le tabhairt isteach earraí nach earraí de chuid an Aontais iad i gcríoch chustaim an Aontais, i ndáil le maoirseacht chustaim a bhaint díobh nó i ndáil le gluaiseacht, próiseáil, stóráil, stóráil shealadach, ligean isteach sealadach nó diúscairt earraí den sórt sin laistigh den chríoch sin;