The mission will work for three months. During this time, the observers will monitor the checkpoints' operations and movement across the border, Censor.NET reports, citing ITAR-TASS.
The observers' task is to monitor the checkpoints work and movement across the border under the principles of non-interference and transparency.
The mission will be headquartered in the town of Kamensk-Shakhtinsky, the north of the region.
Russia will be ready to invite Ukrainian observers to the checkpoints of Donetsk and Gukovo after a lasting truce is declared, Russian envoy to the OSCE Andrei Kelin added.
"The foreign ministers said in Berlin that Ukrainian border guards could be involved in monitoring the border only if a lasting truce was reached," Kelin said.