---
type: "Bill"
title: "AN ACT relating to step therapy protocols."
description: "Amend KRS 304.17A-163 to permit insurers to require insureds to try biosimilar biological products prior to providing coverage for the equivalent branded prescription drug under certain circumstances; make findings and establish intent of Act."
jurisdiction: "us/states/ky"
legislature: "Kentucky General Assembly"
session: "2024RS"
identifier: "HB 220"
citation: "Kentucky HB 220 (2024RS)"
classification: ["bill"]
subjects: ["Drugs and Medicines", "Health and Medical Services", "Insurance", "Health"]
status: "enacted"
primary_sponsors: ["A. Neighbors", "B. Chester-Burton", "D. Bentley", "D. Lewis", "M. Pollock"]
version_count: 3
action_count: 20
vote_count: 2
first_action: "2024-01-10T05:00:00+00:00"
last_action: "2024-03-14T04:00:00+00:00"
source: "openstates"
source_identifier: "ocd-bill/13a03733-fe4c-4d2f-a4d4-135c22d57ef1"
source_url: "https://apps.legislature.ky.gov/record/24RS/hb220.html"
source_hash: "43ac5177467ae394e8892aed85b89f422858e2f38422406d3634742ac7843f8d"
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-ky"]
---

# Kentucky HB 220 (2024RS) — AN ACT relating to step therapy protocols.

Amend KRS 304.17A-163 to permit insurers to require insureds to try biosimilar biological products prior to providing coverage for the equivalent branded prescription drug under certain circumstances; make findings and establish intent of Act.

## Version chain

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

1. **Introduced** (filed) — [source](https://apps.legislature.ky.gov/recorddocuments/bill/24RS/hb220/orig_bill.pdf)
2. **Acts Chapter 4** (committee substitute) — [source](https://apps.legislature.ky.gov/law/acts/24RS/documents/0004.pdf)
3. **Current/Final** (committee substitute) — [source](https://apps.legislature.ky.gov/recorddocuments/bill/24RS/hb220/bill.pdf)

## Votes

- PASS HB 220 — **pass** (pass) · lower
- Pass — **pass** (pass) · lower

## Sponsors

- A. Neighbors — primary (person)
- B. Chester-Burton — primary (person)
- D. Bentley — primary (person)
- D. Lewis — primary (person)
- M. Pollock — primary (person)

## Timeline

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

- **2024-01-10T05:00:00+00:00** introduced in House `introduction`
- **2024-01-10T05:00:00+00:00** to Committee on Committees (H) `referral-committee`
- **2024-01-24T05:00:00+00:00** to Health Services (H) `referral-committee`
- **2024-01-25T05:00:00+00:00** reassigned to Banking & Insurance (H)
- **2024-01-31T05:00:00+00:00** reported favorably, 1st reading, to Calendar with Committee Substitute (1) and Committee Amendment (1-title) `committee-passage`
- **2024-02-01T05:00:00+00:00** 2nd reading, to Rules `reading-2`
- **2024-02-01T05:00:00+00:00** posted for passage in the Regular Orders of the Day for Friday, February 02, 2024
- **2024-02-02T05:00:00+00:00** 3rd reading, passed 91-0 with Committee Substitute (1) and Committee Amendment (1-title) `passage, reading-3`
- **2024-02-05T05:00:00+00:00** received in Senate
- **2024-02-05T05:00:00+00:00** to Committee on Committees (S) `referral-committee`
- **2024-02-22T05:00:00+00:00** to Banking & Insurance (S) `referral-committee`
- **2024-02-27T05:00:00+00:00** reported favorably, 1st reading, to Calendar `committee-passage`
- **2024-02-28T05:00:00+00:00** 2nd reading, to Rules `reading-2`
- **2024-03-06T05:00:00+00:00** posted for passage in the Regular Orders of the Day for Thursday, March 07, 2024
- **2024-03-07T05:00:00+00:00** 3rd reading, passed 37-0 `passage, reading-3`
- **2024-03-08T05:00:00+00:00** received in House
- **2024-03-08T05:00:00+00:00** enrolled, signed by Speaker of the House `passage`
- **2024-03-08T05:00:00+00:00** enrolled, signed by President of the Senate `passage`
- **2024-03-08T05:00:00+00:00** delivered to Governor
- **2024-03-14T04:00:00+00:00** signed by Governor (Acts Ch. 4) `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/13a03733-fe4c-4d2f-a4d4-135c22d57ef1`. Confidence: reported (aggregated from official Kentucky legislature records).