The staff of IX "Waffen" Mountain Corps of the SS (Croatian) headquarters left Hungary, and on 3 October 1944 they arrived in the village of Andrijaševci, near Vinkovci. The headquarters became partially operational on 7 October. The Bosnians did not leave Bácska immediately, and for a short period were garrisoned alongside Lombard's new 31st SS Volunteer Grenadier Division. In the meantime, the Red Army continued to advance into Hungary, and on 9 October 1944 a telegram was sent by the commander of "Waffen-SS" forces in Hungary to IX SS Mountain Corps in Bosnia announcing that "battle ready units from SS Oberführer Lombard's division and Bosnians from the Division "Kama" had been thrown into the fighting in Bacska". The Bosnian elements were deployed along the Tisza () river for a week or so as part of "Kampfgruppe Syr" in an attempt to slow the Soviet advance. As a result, the return of the Bosnians to the NDH was delayed.