On 21 April 2015, in accordance with the previously agreed, special consultations of the participants' of the Permanent Conference on Political Issues in the Framework of the Negotiation Process for the Transdniestrian Settlement in the “5+2” format were carried out in Vienna.

During the discussions, the participants reaffirmed their commitment to the fundamental working documents of the Permanent Conference, analyzed the agreements reached during the negotiations, including in 2012-2014, and also discussed the mechanisms and guarantees of their execution.

A series of issues regarding further work of the Permanent Conference were also raised.