The rules for granting amendments of pleadings or proceedings are very flexible and a great deal depends on the discretion of the judge or tribunal. Where there has been no breach of any relevant rule of law in that respect a party opposing the grant of leave to amend such pleadings or proceedings has a rather uneasy task and unless he can establish prejudice, unnecessary expense, irreparable inconvenience or lack of good faith, the hands of the court are free. In the present case, it was not shown and has not been shown to us that the learned trial judge did not properly exercise his discretion to grant leave to amend and we cannot accede to the ground of appeal which complains about this.
— Coker JSC. Shell Bp Petroleum Dev. Co. v. Jammal Engineering (Nigeria) Limited (1974)