Bam, Bazega, Bougouriba, Boulgou, Boulkiemde, Ganzourgou, Gnagna, Gourma, Houe, Kadiogo, Kenedougou, Komoe, Kossi, Kouritenga, Mouhoun, Namentenga, Naouri, Oubritenga, Oudalan, Passore, Poni, Sanguie, Sanmatenga, Seno, Sissili, Soum, Sourou, Tapoa, Yatenga, Zoundweogo A new electoral code was approved by the National Assembly in January 1997; the number of administrative provinces was increased from 30 to 45 (Bale, Bam, Banwa, Bazega, Bougouriba, Boulgou, Boulkiemde, Comoe, Ganzourgou, Gnagna, Gourma, Houet, Ioba, Kadiogo, Kenedougou, Komandjari, Kompienga, Kossi, Koupelogo, Kouritenga, Kourweogo, Leraba, Loroum, Mouhoun, Nahouri, Namentenga, Nayala, Naumbiel, Oubritenga, Oudalan, Passore, Poni, Samentenga, Sanguie, Seno, Sissili, Soum, Sourou, Tapoa, Tuy, Yagha, Yatenga, Ziro, Zondomo, Zoundweogo), this change has not yet been confirmed by the US Board on Geographic Names