SDCL § 47-1A-1506.1: Corporate name--Distinguishable from specified names.

Except as authorized by §§ 47-1A-1506.2 and 47-1A-1506.3, the corporate name, including a fictitious name, of a foreign corporation must be distinguishable upon the records of the secretary of state from:

(1) The corporate name of a corporation incorporated or authorized to transact business in this state;

(2) A corporate name reserved or registered under § 47-1A-402 or 47-1A-403 to 47-1A-403.2, inclusive;

(3) The fictitious name of another foreign corporation authorized to transact business in this state;

(4) The corporate name of a not-for-profit corporation incorporated or authorized to transact business in this state; and

(5) The name of a limited liability company, limited partnership, limited liability partnership, or limited liability limited partnership organized or authorized to transact business in this state.