Miss. Code § 49-23-19
Any advertising device or outdoor advertising erected which is contrary to the provisions of Sections 49-23-1 through 49-23-29 or regulations lawfully adopted hereunder is hereby declared to be a public nuisance. The state highway commission shall give thirty (30) days' notice by certified mail to the owner of such advertising device and landowner to remove same if it is a prohibited device or cause it to conform to regulations if it is an authorized device. Failure to receive the notice shall not prohibit the State Highway Commission from removing the unlawful outdoor advertising device. If the owner of the outdoor advertising device fails or refuses to remove same within thirty (30) days as required in the notice, the State Highway Commission may proceed to secure the removal of same as authorized in Section 49-23-21.
Miss. Code § 49-23-19