A Senate bill and a resolution introduced in both the House and Senate landed this week as Trump has signaled to officials and in public comments that he may be leaning towards intervening against Iran in the campaign launched by Israel last week.

The bill and resolutions aimed at limiting the United States’ involvement come from a bipartisan bloc of lawmakers seeking to constrain Trump’s power and from Jewish Sen. Bernie Sanders, the Independent from Vermont.

The resolution introduced in both the House and Senate invokes a 1973 federal law barring the president from entering an armed conflict without Congress’ approval.

In the House, Kentucky Republican Rep. Thomas Massie and California Democratic Rep. Ro Khanna jointly introduced the resolution, which would prohibit “United States Armed Forces from unauthorized hostilities in the Islamic Republic of Iran.” They used a form of legislation that could force a full House vote.

“This is not our war,” Massie, who often stands alone among his Republican colleagues and has drawn opposition from Republican Jews, in a post on X (formerly known as Twitter) Monday. “But if it were, Congress must decide such matters according to our Constitution. I’m introducing a bipartisan War Powers Resolution tomorrow to prohibit our involvement.”

“No war in Iran. It’s time for every member to go on record,” said Khanna in a post on X (formerly known as Twitter) Monday comparing the current conflict to the United State’s involvement in Iraq in 2003. “Are you with the neocons who led us into Iraq or do you stand with the American people?”