With regard to issues related to additional information on the parameters of the procedure to grant a concession of Sofia Airport, we would like to inform you that in order to ensure equal access of all candidates for participation in the procedure and under the provisions of Directive 2014/23/EU on the award of concession contracts and Regulation (EU) 2015/1986 establishing standard forms for the publication of notices in the field of public procurement, the notice of the concession parameters will be published in the Official Journal of the European Union. Following the publishing of the announcement, all concession documentation will be uploaded on the website of the Ministry of Transport, Information Technology and Communications and the access thereto will be full and free.