2023 Massachusetts General Laws ch. 112 sec. 100 – Landscape architects; seal of design

2022 Massachusetts General Laws ch. 112 sec. 100 – Landscape architects; seal of design

2020 Massachusetts General Laws ch. 112 sec. 100 – Landscape architects; seal of design

2019 Massachusetts General Laws ch. 112 sec. 100 – Landscape architects; seal of design

2017 Massachusetts General Laws ch. 112 sec. 100 – Seal

2016 Massachusetts General Laws ch. 112 sec. 100 – Seal

2015 Massachusetts General Laws ch. 112 sec. 100 – Seal

2014 Massachusetts General Laws ch. 112 sec. 100 – Seal

2013 Massachusetts General Laws ch. 112 sec. 100 – Seal

2009 Massachusetts General Laws ch. 112 sec. 100 – Seal