Save as otherwise provided in this Act, the provisions in force with regard to customs legislation for trade with third coun tries shall apply under the same conditions to trade within the Com munity, for such time as customs duties are levied in that trade.
Ach amháin mar a fhoráiltear a mhalairt san Ionstraim seo, bainfidh na forálacha atá i bhfeidhm sa reachtaíocht chustam i gcás na trádála le tríú tíortha faoi na coinníollacha céanna leis an trádáil laistigh den Chomhphobal, fad a bheidh dleachtanna custam á dtobhach sa trádáil sin.