Versions of Alaska Statutes 23.20.175 - Base of contributions on LawServer 2023 Alaska Statutes 23.20.175 – Base of contributions 2021 Alaska Statutes 23.20.175 – Base of contributions 2020 Alaska Statutes 23.20.175 – Base of contributions 2019 Alaska Statutes 23.20.175 – Base of contributions 2010 Alaska Statutes 23.20.175 – Base of contributions