A CE marked fertilising product may contain a compliant nitrification inhibitor, as referred to in PFC 5(A)(I) of Annex I, only if at least 50% of the total nitrogen (N) content of the fertilising product consists of the nitrogen (N) forms ammonium (NH4+) and/or urea (CH4N2O).
Gnojilni proizvod z oznako CE lahko vsebuje skladen inhibitor nitrifikacije, kakor je navedeno v PFC 5(A)(I) Priloge I, samo če vsaj 50 % skupnega dušika (N) v gnojilnem proizvodu sestoji iz amonijevega dušika (NH4+) in/ali sečninskega dušika (CH4N2O).