http://news.cchgroup.com/index.php/tax-headlines/state-tax-headlines/louisiana-sales-and-use-tax-state-tax-rate-increased-by-1-from-april-1-2016-through-june-30-2018/
http://www.taxrates.com/blog/2016/03/17/louisiana-state-sales-tax-rate-increase-april-2016/