With the political demise of the Lebanese Front in the late 1980s, the LRM began to take part in the foundation of the Central Bureau of National Coordination – CBNC (Arabic: المكتب المركزي للتنسيق الوطني | Al-Maktab al-Markazi lit-Tansiq al-Watani), best known as Bureau Central de Coordination Nationale (BCCN) in French, an umbrella organization regrouping several small, predominantly Christian political groupings and associations that rallied in support for General Michel Aoun's military interim government, with members of the Tanzim Commanding Council Roger Azzam and Pierre Raffoul rising to the leadership of the new force. Their vocal opposition to the Syrian-sponsored Taif Agreement led them to actively support Aoun's ill-fated Liberation War in 1989-1990, which forced the movement to go underground for some time and threw most of its leaders into exile.
