---
type: "Bill"
title: "TO AMEND THE PRIOR AUTHORIZATION TRANSPARENCY ACT; AND TO MODIFY THE MEDICATION-ASSISTED TREATMENT UNDER THE PRIOR AUTHORIZATION TRANSPARENCY ACT."
description: "TO AMEND THE PRIOR AUTHORIZATION TRANSPARENCY ACT; AND TO MODIFY THE MEDICATION-ASSISTED TREATMENT UNDER THE PRIOR AUTHORIZATION TRANSPARENCY ACT."
jurisdiction: "us/states/ar"
legislature: "Arkansas Legislature"
session: "2023"
identifier: "HB 1558"
citation: "Arkansas HB 1558 (2023)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Pilkington"]
version_count: 2
action_count: 13
vote_count: 2
first_action: "2023-03-06T21:01:49+00:00"
last_action: "2023-04-04T15:12:52+00:00"
source: "openstates"
source_identifier: "ocd-bill/7b98c45b-affb-4e4e-b865-36fa201e0ca2"
source_url: "ftp://www.arkleg.state.ar.us/SessionInformation/LegislativeMeasures.txt"
source_hash: "96f434e373e9c800bef3fe6e84e445228a684824dfc1d5481b8bf7a21aa5ac18"
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-ar"]
---

# Arkansas HB 1558 (2023) — TO AMEND THE PRIOR AUTHORIZATION TRANSPARENCY ACT; AND TO MODIFY THE MEDICATION-ASSISTED TREATMENT UNDER THE PRIOR AUTHORIZATION TRANSPARENCY ACT.

## Version chain

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

1. **Act 451** (committee substitute) — [source](http://www.arkleg.state.ar.us/Acts/FTPDocument?path=%2FACTS%2F2023R%2FPublic%2F&file=451.pdf&ddBienniumSession=2023%2F2023R)
2. **HB 1558** (committee substitute) — [source](https://www.arkleg.state.ar.us/assembly/2023/2023R/Bills/HB1558.pdf)

## Votes

- Read the third time and passed. — **35–0** (pass) · upper
- Read the third time and passed and ordered transmitted to the Senate. — **93–0** (pass) · lower

## Sponsors

- Pilkington — primary (person)

## Timeline

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

- **2023-03-06T21:01:49+00:00** Filed `introduction`
- **2023-03-06T22:29:33+00:00** Read the first time, rules suspended, read the second time and referred to the Committee on INSURANCE & COMMERCE- HOUSE `reading-1, reading-2, referral-committee`
- **2023-03-08T17:47:14+00:00** Returned by the Committee Do Pass `committee-passage`
- **2023-03-09T17:52:52+00:00** Read the third time and passed and ordered transmitted to the Senate. `passage, reading-3`
- **2023-03-09T20:00:54+00:00** Received from the House.
- **2023-03-09T20:01:03+00:00** Read first time, rules suspended, read second time, referred to INSURANCE & COMMERCE - SENATE `reading-1, referral-committee`
- **2023-03-28T18:46:29+00:00** Returned by the Committee, with the recommendation that it Do Pass `committee-passage-favorable`
- **2023-03-29T21:18:53+00:00** Read the third time and passed. `passage, reading-3`
- **2023-03-29T21:18:59+00:00** Returned to the House as passed.
- **2023-03-29T22:37:36+00:00** Returned From the Senate as passed.
- **2023-03-29T22:37:38+00:00** TO BE ENROLLED
- **2023-03-30T14:19:00+00:00** Correctly enrolled and ordered transmitted to the Governor's Office.
- **2023-04-04T15:12:52+00:00** Notification that HB1558 is now Act 451 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/7b98c45b-affb-4e4e-b865-36fa201e0ca2`. Confidence: reported (aggregated from official Arkansas legislature records).