"The recognition of travel documents issued by the self-declared Donetsk People's Republic undermines the unity of Ukraine and is a stark contradiction to all that was agreed in Minsk and is therefore totally unacceptable," Steffen Seibert said during a regular government news conference in Berlin, as reported by Reuters.

Read alsoOSCE: Russian recognition of "DPR"/"LPR" IDs undermines Ukraine peace efforts – mediaA foreign ministry spokesman added that German authorities would not recognize the documents.

Putin ordered Russian authorities on February 18 to temporarily recognize civil registration documents issued in separatist-held areas of eastern Ukraine, a decision also strongly criticized by Ukrainian President Petro Poroshenko.