The deterrent effect of fines differs widely across the Union, and in some Member States the maximum amount of the fine that can be imposed is very low.
Is mór an difear idir éifeacht díspreagthach na bhfíneálacha fud fad na hEorpa agus i mBallstáit áirithe is fíor-íseal uasmhéid na fíneála is féidir a fhorchur.