SDCL § 47-14A-42: Laws applicable to business trusts.

Except to the extent otherwise provided in the governing instrument of a business trust or in this section, the laws of this state pertaining to trusts are hereby made applicable to business trusts. However, for purposes of any tax imposed by this state or any instrumentality, agency or political subdivision of this state a business trust shall be classified as a corporation, an association, a partnership, a trust, or otherwise, as shall be determined under the United States Internal Revenue Code of 1986, as amended, or under any successor provision.