Action for Change or AC [Messoud Ould BOULKHEIR]; Assembly for Democracy and Unity or RDU [Ahmed Ould SIDI BABA]; Democratic and Social Republican Party or PRDS (ruling party) [President Col. Maaouya Ould Sid Ahmed TAYA]; Mauritanian Party for Renewal and Concorde or PMRC [Molaye El Hassen Ould JIYID]; National Union for Democracy and Development or UNDD [Tidjane KOITA]; Party for Liberty, Equality and Justice or PLEJ [Daouda M'BAGNIGA]; Popular Front or FP [Ch'bih Ould CHEIKH MALAININE]; Popular Progress Alliance or APP [Mohamed El Hafed Ould ISMAEL]; Popular Social and Democratic Union or UPSD [Mohamed Mahmoud Ould MAH]; Progress Force Union or UFP [Mohamed Ould MOLOUD]; Union for Progress and Democracy or UNDD [Naha Mint MOUKNASS]