"Not sure there will be a deal on suspension mechanism in 2016. Might have to wait till after elections in April-May," he tweeted Thursday. 

The EU institutions may resume the talks on the matter after the first and second rounds of French presidential elections, scheduled for April 23 and May 7 correspondingly. 

Read alsoKyiv not to get visa lib at EU-Ukraine summit, media explain reasonsBased on this suggestion, visa liberalization for Ukraine and Georgia may be enforced no earlier than the summer of 2017, given the decision shall enter into force 21 days after its approval.