Miss. Code § 21-33-91
The governing authorities of any municipality having a population of more than one hundred thousand (100,000) according to the most recent federal census and in which the qualified electors have approved at a special election participation in redevelopment projects in its central business district pursuant to Sections 43-35-201 through 43-35-235 may, in their discretion, exempt from all municipal ad valorem taxes, for a period of not more than seven (7) years from and after January 1, 1974, any privately owned new structures and any new renovations of and improvements to existing structures lying within a slum or blighted area within the central business district, as determined by the municipality, but only if such structures shall have been constructed, renovated or improved pursuant with the requirements of the approved project of the municipality for redevelopment of slum or blighted areas within its central business district. Such exemption shall be granted upon written application only after the finding by the governing authorities of a municipality that the construction, renovation or improvement of said property is for the purpose of promoting business and commerce in the central business district.
Miss. Code § 21-33-91