In 2003 the General Assembly passed a massive act to make a multitude of changes and adjustments to the sales tax laws in order to bring Tennessee into compliance with the provisions of the national Streamlined Sales and Use Tax Agreement. 2003 Public Chapter 357. In 2004 Public Chapter 959, many revisions were made to the 2003 act regarding the streamlined sales tax provisions. Since 2004, the effective dates for many of these provisions have been continually extended. Most recently, in 2015, many provisions were extended until 2017.