2023 Massachusetts General Laws ch. 30B sec. 22 – Cooperative purchasing agreements between public procurement units or public procurement unit and external procurement activity

2022 Massachusetts General Laws ch. 30B sec. 22 – Cooperative purchasing agreements between public procurement units or public procurement unit and external procurement activity

2020 Massachusetts General Laws ch. 30B sec. 22 – Cooperative purchasing agreements between public procurement units or public procurement unit and external procurement activity

2019 Massachusetts General Laws ch. 30B sec. 22 – Cooperative purchasing agreements between public procurement units or public procurement unit and external procurement activity

2017 Massachusetts General Laws ch. 30B sec. 22 – Cooperative purchasing agreements between public procurement units or public procurement unit and external procurement activity

2016 Massachusetts General Laws ch. 30B sec. 22 – Cooperative purchasing agreements between public procurement units or public procurement unit and external procurement activity

2015 Massachusetts General Laws ch. 30B sec. 22 – Cooperative purchasing agreements between public procurement units or public procurement unit and external procurement activity

2014 Massachusetts General Laws ch. 30B sec. 22 – Cooperative purchasing agreements between public procurement units or public procurement unit and external procurement activity

2013 Massachusetts General Laws ch. 30B sec. 22 – Cooperative purchasing agreements between public procurement units or public procurement unit and external procurement activity