SDCL § 47-1A-1506.4: Corporation prohibited from transacting business in state upon change to unauthorized name--Amended certificate of authority.

If a foreign corporation authorized to transact business in this state changes its corporate name to one that does not satisfy the requirements of §§ 47-1A-401 to 47-1A-401.3, inclusive, it may not transact business in this state under the changed name until it adopts a name satisfying the requirements of §§ 47-1A-401 to 47-1A-401.3, inclusive, and obtains an amended certificate of authority under § 47-1A-1504.