Be it further enacted, that the ad valorem tax upon merchants, stocks, accounts, and equipment may be assessed and collected in like manner as state and county merchants ad valorem tax is assessed upon the same property. It shall be the duty of the Cumberland County Assessor of Property and of the Tennessee Regulatory Authority to prepare a separate assessment book or roll showing assessable real, personal and mixed property lying within the limits of the city. (As amended by Priv. Acts 2014, ch. 55, sec. 1)