[2] In November 1980, Kibassa was among thirteen members of parliament who signed an "open letter to the president of the republic", a ten-point document cataloging corruption and abuse of power in the regime, and calling for legalization of a second political party.

[4] In October 1991 Kibassa Maliba was serving as chairman of the Union Sacrée de l'Opposition Radicale (USOR), which was formed in 1991 as a coalition of opposition groups that included the UDPS.

[3][5] In January 1993 troops from the elite Division spéciale présidentielle made a rocket attack on Kibassa's family home.

This was, according to people close to Tshisekedi, one of the parties recognized by the Kabila government, reportedly in order to reduce the stature of the UDPS/Tshisekedi faction.

However, this meeting was reportedly canceled by Canada's Foreign Affairs department following protests made by dozens of representatives from a banned Congolese opposition party, the UDPS/Tshisekedi (Union for Democracy and Social Progress/Tshisekedi).

[2] In recognition to his contribution to the political and social arena of the Democratic Republic of Congo, the second largest soccer stadium was named after him.