2023 Rhode Island General Laws 44-18-31. Exemption of sales to federal government

2022 Rhode Island General Laws 44-18-31. Exemption of sales to federal government

2020 Rhode Island General Laws 44-18-31. Exemption of sales to federal government

2017 Rhode Island General Laws 44-18-31. Exemption of sales to federal government

2016 Rhode Island General Laws 44-18-31. Exemption of sales to federal government

2015 Rhode Island General Laws 44-18-31. Exemption of sales to federal government

2015 Rhode Island General Laws 44-18-31. Exemption of sales to federal government

2014 Rhode Island General Laws 44-18-31. Exemption of sales to federal government

2013 Rhode Island General Laws 44-18-31. Exemption of sales to federal government

2009 Rhode Island General Laws 44-18-31. Exemption of sales to federal government