The Trump administration has instructed states that they must "immediately undo any steps" that were taken to provide full SNAP benefits to low-income Americans, saying states were "unauthorized."

The U.S. Department of Agriculture, in a late-night Saturday memo obtained by CBS News, also threatened to impose financial penalties on states that did not comply with the government's new orders.

The Trump administration initially said last month that it would not fund Supplemental Nutrition Assistance Program benefits for November because of the ongoing government shutdown. The twists and turns since have exacerbated uncertainty for the nearly 1 in 8 Americans who receive monthly SNAP benefits to spend at grocery stores and farmers' markets.

On Friday, some states began issuing full month

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