House Concurrent Resolution 6006 urges "the United States Congress and the President of the United States to take no action to employ military forces of the United States in active-duty combat unless the United States Congress has passed an official declaration of war and to bring troops home who are engaged in unconstitutional foreign conflicts."
You can read the entire resolution here.
On February 22, 2022 the South Dakota House of Representatives passed the resolution with a vote of 65 to 2.
Rep. Aaron Aylward (R-Harrisburg), Rep. Sam Marty (R-Prairie City), and Rep. Tim Goodwin (R-Rapid City) spoke in favor of the resolution; no legislators spoke against it.
You can watch their speeches and the vote here.