2023 Rhode Island General Laws 22-7.4-80. Heidi Kirk Duffy International Engineering House

2022 Rhode Island General Laws 22-7.4-80. Heidi Kirk Duffy International Engineering House

2020 Rhode Island General Laws 22-7.4-80. Heidi Kirk Duffy International Engineering House

2017 Rhode Island General Laws 22-7.4-80. Heidi Kirk Duffy International Engineering House

2016 Rhode Island General Laws 22-7.4-80. Heidi Kirk Duffy International Engineering House

2015 Rhode Island General Laws 22-7.4-80. Heidi Kirk Duffy International Engineering House

2015 Rhode Island General Laws 22-7.4-80. Heidi Kirk Duffy International Engineering House

2014 Rhode Island General Laws 22-7.4-80. Heidi Kirk Duffy International Engineering House

2013 Rhode Island General Laws 22-7.4-80. Heidi Kirk Duffy International Engineering House

2009 Rhode Island General Laws 22-7.4-80. Heidi Kirk Duffy International Engineering House