This difference shall be further reduced by 20? on 1 January 1983, by 20? on 1 January 1984 and by 20? on 1 January 1985.
LaghdÕfar an difríocht sin arls, 20% sa turas, an 1 EanSir 1983, an 1 EanSir 1984 agus an 1 EanSir 1985.