When delays occurred, they were mostly due to requests for additional information, lack of clarity on the notification submission requirements on the part of applicants, the involvement of more than one national body in the approval process, and delays in the delivery of the opinion by the scientific advisory body responsible for the assessment of the notifications.
Tekkinud viivitused olid enamasti tingitud lisateabe taotlemisest, teatamisnõuete vallas valitsevast selgusetusest taotlejate jaoks, mitme riigiasutuse osalemisest heakskiitmisprotsessis ja sellest, et teadete hindamise eest vastutav nõuandev teadusasutus viivitas arvamuse esitamisega.