CHEVRON NIGERIA LIMITED v. ATTORNEY GENERAL AND COMMISSIONER FOR JUSTICE, DELTA STATE & ANOR (2018)LCN/11540(CA) In The Court of Appeal of Nigeria On Friday, the 25th day of May, 2018 CA/B/221/2010 RATIO DOCTRINE OF COVERING THE FIELD The doctrine of covering the field simply means that, in a federalism, where a Federal Constitution or a…...