The PCdR was thus unable to send representatives to the Comintern, and was virtually replaced abroad by a delegation of various activists who had fled to the Soviet Union at various intervals (Romanian groups in Moscow and Kharkiv, the sources of a ""Muscovite wing"" in the following decades). The interior party only survived as an underground group after it was outlawed by the Brătianu government through the "Mârzescu Law" (named after its proponent, Minister of Justice Gheorghe Gh. Mârzescu), passed in early 1924; Comintern sources indicate that, around 1928, it was losing contact with Soviet overseers. In 1925, the question of Romania's borders as posed by the Comintern led to protests by Cristescu and, eventually, to his exclusion from the party ("see Balkan Communist Federation").