Miss. Code Ann. § 31-27-19

All refunding bonds issued under this chapter shall be fully negotiable in accordance with their terms and shall be “securities” within the meaning of Article 8 of the Uniform Commercial Code , subject to the provisions of such bonds pertaining to registration. It shall not be necessary to file financing statements or continuation statements to protect the lien and pledge granted by a governmental unit to the holders of any refunding bonds issued under this chapter.