. "Any process that modulates the frequency, rate or extent of the transfer of NF-kappaB, a transcription factor for eukaryotic RNA polymerase II promoters, from the cytoplasm into the nucleus, across the nuclear membrane." . . "regulation of NF-kappaB import into nucleus" . "regulation of NF-kappaB import into cell nucleus" . "regulation of NF-kappaB transport from cytoplasm to nucleus" . "regulation of NF-kappaB-nucleus import" . . . . .