As used in the article: (1) "Consumer price index" means the consumer price index for all-urban consumers published by the U.S. Department of Labor. In the event of a revision of the consumer price index, the index that is most consistent with the consumer price index for all-urban consumers as calculated in 1996 must be used. (2) "Intergovernmental transfer of funding responsibility" means an act, resolution, court order, administrative order, or other action by a higher level of government that requires a lower level of government to use its own funds, personnel, facilities, or equipment. (3) "Local governing body" means the governing body of a county, municipality, or special purpose district. As used in Section 6-1-320 only, local governing body also refers to the body authorized by law to levy school taxes. (4) "New tax" is a tax that the local governing body had not enacted as of December 31, 1996. (5) "Positive majority" means a vote for adoption by the majority of the members of the entire governing body, whether present or not. However, if there is a vacancy in the membership of the governing body, a positive majority vote of the entire governing body as constituted on the date of the final vote on the imposition is required. (6) "Service or user fee" means a charge required to be paid in return for a particular government service or program. "Service or user fee" also includes "uniform service charges". The revenue generated from the fee must: (a) be used to the benefit of the payers, even if the general public also benefits; (b) only be used for the specific improvement contemplated; (c) not exceed the cost of the improvement; and (d) be uniformly imposed on all payers. (7) "Specifically authorized by the General Assembly" means an express grant of power: (a) in a prior act; (b) by this act; or (c) in a future act.