In order not to hamper the proper functioning of the internal market, the enforcement of the new Member States' national rules during the transitional periods referred to in Annexes V to XIV to the Act of Accession of 16 April 2003 shall not lead to border controls between Member States.
Chun nach gcuirfear treampán ar oibriú cuí an mhargaidh inmheánaigh, ní thiocfaidh rialuithe teorann idir Bhallstáit as forfheidhmiú rialacha náisiúnta na mBallstát nua le linn n an idir thréimhsí dá dtagraítear in Iarscríbhinní V go XIV a ghabhann le hIonstraim Aontachais an 16 Aibreán 2003.