Versions of South Dakota Codified Laws 55-1A-41. Co-trustee appointment--Powers on LawServer 2023 South Dakota Codified Laws 55-1A-41. Co-trustee appointment–Powers 2022 South Dakota Codified Laws 55-1A-41. Co-trustee appointment–Powers 2021 South Dakota Codified Laws 55-1A-41. Co-trustee appointment–Powers