# Illinois HB1171: INS-COST SHARING/DRUG REBATES

Illinois HB1171, INS-COST SHARING/DRUG REBATES, is a 104th General Assembly (2025–2026) House bill sponsored by Rita Mayfield (Democratic); status in committee, last action 2025-03-21 (Rule 19(a) / Re-referred to Rules Committee) (as of 2026-11-01).

- Canonical: https://policyrisk.com/state-bill/IL-HB1171-2025-2026
- As of: 2026-11-01
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: Illinois HB1171
- State: Illinois
- Session: 104th General Assembly (2025–2026)
- Title: INS-COST SHARING/DRUG REBATES
- Status: in committee
- Chamber: House
- Introduced: 2025-01-07
- Last action: 2025-03-21, Rule 19(a) / Re-referred to Rules Committee
- Sponsor: Rita Mayfield (Democratic)
- Cosponsors: 0
- Subjects: executive
- Touches household money: no
- Economic provisions PRIA read: 0

## Summary

Amends the Illinois Insurance Code. Provides that a group or individual policy of accident and health insurance amended, delivered, issued, or renewed on or after January 1, 2026 that provides coverage for prescription drugs shall require that a covered individual's defined cost sharing for each prescription drug shall be calculated at the point of sale based on a price that is reduced by an amount equal to at least 100% of all rebates received in connection with the dispensation or administration of the prescription drug. Provides that an insurer shall apply any rebate amount in excess of the defined cost sharing amount to the health plan to reduce premiums. Provides that the provisions shall not preclude an insurer from decreasing a covered individual's defined cost sharing by an amount greater than the stated amount at the point of sale. Provides that the Department of Insurance may adopt rules to implement the provisions.

## Bill overview

No economic impacts identified for this bill.

## Sponsors and cosponsors

- Sponsor: Rita Mayfield (Democratic), House

## Actions (5)

- 2025-03-21: Rule 19(a) / Re-referred to Rules Committee (House)
- 2025-02-11: Assigned to Executive Committee (House)
- 2025-01-09: Referred to Rules Committee (House)
- 2025-01-09: First Reading (House)
- 2025-01-07: Prefiled with Clerk by Rep. Rita Mayfield (House)

## Bill text

- Introduced: [PDF](https://www.ilga.gov/documents/legislation/104/HB/PDF/10400HB1171.pdf)

## Related bills

- HB5198: AFFORDABLE HOUSING-CILAS (passed house)
- SB1937: PENSION CODE-VARIOUS (passed senate)
- HB2563: CONDO-RESERVE STUDY (in committee)
- HB4701: LIMITATIONS FACILITY FEES ACT (in committee)
- SB3008: DHS-ABLE PROGRAM INFO MATERIAL (passed senate)
- SB3484: VEH CD-PLATES-REGISTRATION (signed)

## Sources
- [Introduced (PDF)](https://www.ilga.gov/documents/legislation/104/HB/PDF/10400HB1171.pdf)

## Related
- [HB5198: AFFORDABLE HOUSING-CILAS](https://policyrisk.com/state-bill/IL-HB5198-2025-2026)
- [SB1937: PENSION CODE-VARIOUS](https://policyrisk.com/state-bill/IL-SB1937-2025-2026)
- [HB2563: CONDO-RESERVE STUDY](https://policyrisk.com/state-bill/IL-HB2563-2025-2026)
- [HB4701: LIMITATIONS FACILITY FEES ACT](https://policyrisk.com/state-bill/IL-HB4701-2025-2026)
- [SB3008: DHS-ABLE PROGRAM INFO MATERIAL](https://policyrisk.com/state-bill/IL-SB3008-2025-2026)
- [SB3484: VEH CD-PLATES-REGISTRATION](https://policyrisk.com/state-bill/IL-SB3484-2025-2026)
- [Illinois bills](https://policyrisk.com/states/illinois/bills)
- [Illinois state hub](https://policyrisk.com/states/illinois)
- [All state legislation](https://policyrisk.com/state-bills)

Source: PRIA, https://policyrisk.com/state-bill/IL-HB1171-2025-2026 (as of 2026-11-01).