As noted in Wikipedia, the Brussels Agreement was made between the governments of Serbia and Kosovo on the normalization of their relations. It was negotiated and concluded, although not signed by either party, in Brussels under the auspices of the European Union. The negotiations were led by Serbian Prime Minister Ivica Dačić and Kosovo Prime Minister Hashim Thaçi, and mediated by EU High Representative Catherine Ashton. The agreement was concluded on 19 April 2013.
Actually there does seem to have been an Implementation Plan initialed by the two leaders. (I think it's them, but see for yourself below). And relations have not be fully normalized until now and the plan never implemented.
Actually there does seem to have been an Implementation Plan initialed by the two leaders. (I think it's them, but see for yourself below). And relations have not be fully normalized until now and the plan never implemented.