S. 556: Enhanced Iran Sanctions Act of 2025 · Congress Swing Tracker

S. 556119th CongressInternational Affairs

Enhanced Iran Sanctions Act of 2025

Sponsored by Sen. Dan Sullivan (R-AK) · 51 active : 35 Republicans, 16 Democrats

Latest action: Read twice and referred to the Committee on Foreign Relations.

Read the summary

Where it standsBefore the Senate

Hasn’t passed either chamber

Senate: next
House: not yet
President: not yet

4 senators score as swing votes

Summary

, via Congress.gov

Summary on Congress.gov

The Congressional Research Service has not published a summary of this bill yet.

Committees and subjects

Committees

Senate Committee on Foreign Relations · SenateReferred to

Subjects

No legislative subjects recorded yet. Similar-vote matching falls back to the policy area.

Senate · 100 House · 433

Model

v3defaultv2

Directional: count only breaks toward the other party Why do scores change?

How the Senate breaks down

4Swing 70–100
38Middle 30–70
58Entrenched 0–30

Members fall into . All 100 senators have enough data to score.

Key players in the Senate

Ranked by swing score, 0–100 · swing-v3

Bars show each input from 0 to 100: ideology gap, scorecard gap, , and the . is the seat’s partisan lean, and shows how much of the input data a score has.

1
Rand PaulRepublican · Kentucky · Lean R+15Senate Committee on Foreign Relations

Similar past votes, Senate

Earlier behind swing-v3’s input

Similar votes count toward swing-v3 in the Senate: total similarity weight 29.5 (needs 5.0).

S.Res. 852 · Sep 29, 2026 · Roll call 911On the Motion to DischargeA resolution requesting information on Israel's human rights practices pursuant to section 502B(c) of the Foreign Assistance Act of 1961.
Motion to Discharge RejectedSame policy area×0.5
H.Con.Res. 89 · Sep 24, 2026 · Roll call 903On the Concurrent ResolutionA concurrent resolution directing the President, pursuant to section 5(c) of the War Powers Resolution, to remove United States Armed Forces from hostilities with Iran.
Concurrent Resolution RejectedSame policy area×0.5
H.R. 5334 · Aug 7, 2026 · Roll call 883On Passage of the BillAn act to impose sanctions and other measures with respect to the Russian Federation, as championed by the late Senator Lindsey O. Graham, and for other purposes.
Bill PassedSame policy area×0.5
H.R. 5334 · Aug 7, 2026 · Roll call 882On the AmendmentTo strike the provision relating to duties on countries that purchase Russian-origin crude oil or natural gas or facilitate sanctions evasion.
Amendment RejectedSame policy area×0.5
S.J.Res. 181 · Jul 30, 2026 · Roll call 875On the Motion to DischargeA joint resolution to direct the removal of United States Armed Forces from hostilities within or against the Islamic Republic of Iran that have not been authorized by Congress.
Motion to Discharge RejectedSame policy area×0.5
H.R. 5334 · Jul 29, 2026 · Roll call 872On the Motion to ProceedA bill to amend the Internal Revenue Code of 1986 to allow early childhood educators to take the educator expense deduction, and for other purposes.
Motion to Proceed Agreed toSame policy area×0.5
H.R. 5334 · Jul 28, 2026 · Roll call 871On Cloture on the Motion to ProceedA bill to amend the Internal Revenue Code of 1986 to allow early childhood educators to take the educator expense deduction, and for other purposes.
Cloture on the Motion to Proceed Agreed toSame policy area×0.5
S.J.Res. 180 · Jul 23, 2026 · Roll call 866On the Motion to DischargeA joint resolution to direct the removal of United States Armed Forces from hostilities within or against the Islamic Republic of Iran that have not been authorized by Congress.
Motion to Discharge RejectedSame policy area×0.5

Show 17 more

S.J.Res. 185 · Jun 24, 2026 · Roll call 851On the Motion to ProceedA joint resolution to direct the removal of United States Armed Forces from hostilities within or against the Islamic Republic of Iran that have not been authorized by Congress.
Motion to Proceed RejectedSame policy area×0.5
H.Con.Res. 86 · Jun 23, 2026 · Roll call 843On the Concurrent ResolutionA concurrent resolution directing the President, pursuant to section 5(c) of the War Powers Resolution, to remove United States Armed Forces from hostilities with Iran.
Concurrent Resolution Agreed toSame policy area×0.5
S.Res. 616 · Jun 17, 2026 · Roll call 838On the Motion to DischargeA resolution requesting information on Honduras's human rights practices pursuant to section 502B(c) of the Foreign Assistance Act of 1961.
Motion to Discharge RejectedSame policy area×0.5

Cosponsors

51 active

Show all 51 cosponsors

How the swing score works

Ideology gapHow far a member’s DW-NOMINATE voting score sits from their party’s median in the same chamber.

Scorecard gapHow far their Heritage Action and LCV ratings stray from their party’s average, using the groups’ votes on similar bills where available.

Cross-pressureHow strongly their district or state leans toward the other party, from our own computed partisan lean.

Similar votesHow often they voted against their own party on earlier roll calls about this bill or similar ones.

Committee bonusMembers of the committees handling the bill decide whether it moves, so they get a boost.

Cosponsor checkThe sponsor and active cosponsors have already committed, so they drop toward entrenched.