At the time of each subsequent reduction, each Member State shall reduce its customs duties as a whole in such manner as to lower by 10 % its total customs receipts as defined in paragraph 4 and to reduce the duty on each product by at least 5 % of the basic duty.
Tráth gach laghdú ina dhiaidh sin, déanfaidh gach Ballstát a dhleachtanna custam ina n-iomláine a laghdú sa dóigh go n-ísleofar 10 % iomlán a fháltas custam, mar a shainítear i mir 4 agus go laghdófar an dleacht ar gach táirge ar leith cuid nach lú ná 5% den bhundleacht.