If four-fifths of the member states have ratified it by the deadline but some encounter "difficulties in proceeding with ratification", then the matter is to be referred to the European Council.
Ako ga četiri petine zemalja članica ratificira do krajnjeg roka, a neke se sučele s "poteškoćama u procesu ratificiranja", onda se to pitanje prosljeđuje Europskom vijeću.