---
type: "Bill"
title: "AN ACT CONCERNING INCOME TAXES IMPOSED BY OTHER JURISDICTIONS ON RESIDENTS OF THE STATE."
description: "AN ACT CONCERNING INCOME TAXES IMPOSED BY OTHER JURISDICTIONS ON RESIDENTS OF THE STATE."
jurisdiction: "us/states/ct"
legislature: "Connecticut General Assembly"
session: "2025"
identifier: "SB 1558"
citation: "Connecticut SB 1558 (2025)"
classification: ["bill"]
subjects: ["Attorney General", "Employees", "Employers", "Income tax (State)", "Income tax credits (State)", "Nonresidents", "Reports", "Residency", "Studies"]
status: "enacted"
primary_sponsors: []
version_count: 4
action_count: 28
vote_count: 3
first_action: "2025-04-09"
last_action: "2025-07-08"
source: "openstates"
source_identifier: "ocd-bill/b24619ac-33cd-4061-a21e-f0f5a392e4fa"
source_url: "ftp://ftp.cga.ct.gov/pub/data/bill_info.csv"
source_hash: "05150dc9a8cf5ec5ae6524b44ff1f889768316e336bb2b181ef1778e6398c5f7"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-ct"]
---

# Connecticut SB 1558 (2025) — AN ACT CONCERNING INCOME TAXES IMPOSED BY OTHER JURISDICTIONS ON RESIDENTS OF THE STATE.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **FIN Joint Favorable Substitute** (committee substitute) — [source](https://www.cga.ct.gov/2025/TOB/S/PDF/2025SB-01558-R01-SB.PDF)
2. **File No. 882** (committee substitute) — [source](https://www.cga.ct.gov/2025/FC/PDF/2025SB-01558-R000882-FC.PDF)
3. **Public Act No. 25-172** (committee substitute) — [source](https://www.cga.ct.gov/2025/ACT/PA/PDF/2025PA-00172-R00SB-01558-PA.PDF)
4. **Raised Bill** (committee substitute) — [source](https://www.cga.ct.gov/2025/TOB/S/PDF/2025SB-01558-R00-SB.PDF)

## Votes

- Senate Roll Call Vote — **36–0** (pass) · upper
- Senate Roll Call Vote — **36–0** (pass) · upper
- House Roll Call Vote — **148–0** (pass) · lower

## Timeline

The legislative action history — every referral, reading, and vote.

- **2025-04-09** REF. TO JOINT COMM. ON Finance, Revenue and Bonding `referral-committee`
- **2025-04-11** PUBLIC HEARING 0416
- **2025-04-24** Joint Favorable Substitute `committee-passage-favorable`
- **2025-04-24** FILED WITH LCO `filing`
- **2025-05-05** REFERRED TO Office of Legislative Research AND Office of Fiscal Analysis 05/12/25 `referral`
- **2025-05-12** RPTD. OUT OF LCO
- **2025-05-12** FAV. RPT., TAB. FOR CAL., SEN. `reading-2`
- **2025-05-12** SENATE CALENDAR NUMBER 479
- **2025-05-12** FILE NO. 882
- **2025-05-29** SEN. ADOPTED SEN. AMEND. SCH. A `amendment-passage`
- **2025-05-29** SEN. PASSED, SEN. AMEND. SCH. A `passage`
- **2025-05-29** RULES SUSPENDED,TRANS.TO HOUSE
- **2025-05-30** FAV. RPT., TABLED FOR HOUSE CALENDAR `reading-2`
- **2025-05-30** HOUSE CALENDAR NUMBER 670
- **2025-06-04** HOUSE ADOPTED SEN. AMEND. SCH. A `amendment-passage`
- **2025-06-04** HOUSE ADOPTED HOUSE AMEND. SCH. A `amendment-passage`
- **2025-06-04** HOUSE PASSED, SEN. AMEND. SCH. A `passage`
- **2025-06-04** HOUSE PASSED, HOUSE AMEND. SCH. A `passage`
- **2025-06-04** TRANSMITTED PURSUANT TO JOINT RULE 17
- **2025-06-04** DISAGREEING ACTION,TABLED FOR CAL., SEN. `reading-2`
- **2025-06-04** SEN. ADOPTED HO. AMEND. SCH. A `amendment-passage`
- **2025-06-04** SEN. PASSED, SEN. AMEND. SCH. A `passage`
- **2025-06-04** SEN. PASSED, HO. AMEND. SCH. A `passage`
- **2025-06-04** ON CONSENT CALENDAR /IN CONCURRENCE
- **2025-06-23** PUBLIC ACT 25-172
- **2025-06-25** TRANSMITTED TO SECRETARY OF THE STATE
- **2025-06-25** TRANSMITTED BY SECRETARY OF THE STATE TO GOVERNOR `executive-receipt`
- **2025-07-08** SIGNED BY GOVERNOR `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/b24619ac-33cd-4061-a21e-f0f5a392e4fa`. Confidence: reported (aggregated from official Connecticut legislature records).