Grizzly Bear State Management Act of 2023

This bill directs the Secretary of the Interior to reissue a 2017 rule that removed grizzly bears in the Greater Yellowstone Ecosystem from the federal endangered species list, within 180 days of the bill's enactment. It directly affects states like Montana, Idaho, and Wyoming, which would assume management authority for grizzly bears in that region. The key mechanisms require the rule's reissuance without regard to other legal requirements and explicitly prohibits any judicial review of this action. The bill does not create new management rules but reinstates a previously approved federal decision to transfer management to state agencies.