That period is necessary due to the long procedures for processing irregularities and because those data are needed for the conduct of joint customs operations and of investigations.
Tá an tréimhse sin riachtanach i ngeall ar na nósanna imeachta fada chun neamhrialtachtaí a phróiseáil agus toisc go mbíonn gá leis na sonraí sin chun oibríochtaí comhpháirteacha custaim agus imscrúduithe a reáchtáil.