(1) No person shall be convicted of an offence against this Chapter, and no order for forfeiture shall be made if it is proved that the publication of the article in question is justified as being for the public good on the ground that it is in the interests of science, literature, art or learning, or of other objects of general concern.
[1961 No. 51.]
(2) It is hereby declared that the opinion of experts as to the literary, artistic, scientific or other merits of an article may be admitted in any proceedings under this Chapter either to establish or to negative the said ground.
Section 233F of the Criminal Code Act in Nigeria