The Text
Notwithstanding anything to the contrary in this Constitution, but subject to subsection (2) of this section: no civil or criminal proceedings shall be instituted or continued against a person to whom this section applies during his period of office; a person to whom this section applies shall not be arrested or imprisoned during that period either in pursuance of the process of any court or otherwise.
Source · Constitution of the Federal Republic of Nigeria, 1999, as amended · §308