---
type: "Bill"
title: "An Act To Prohibit Health Insurance Carriers From Retroactively Reducing Payment On Clean Claims Submitted By Pharmacies"
description: "An Act To Prohibit Health Insurance Carriers From Retroactively Reducing Payment On Clean Claims Submitted By Pharmacies"
jurisdiction: "us/states/me"
legislature: "Maine Legislature"
session: "129"
identifier: "LD 1928"
citation: "Maine LD 1928 (129)"
classification: ["bill"]
subjects: ["INSURANCE PRACTICES", "CLAIMS PROCESSING", "RETROSPECTIVE DENIALS LIMITED"]
status: "enacted"
primary_sponsors: ["Nathan LIBBY"]
version_count: 4
action_count: 18
vote_count: 0
first_action: "2020-01-08"
last_action: "2020-03-18"
source: "openstates"
source_identifier: "ocd-bill/1421ad44-2a1c-4327-9a97-4fad9df7d181"
source_url: "http://legislature.maine.gov/LawMakerWeb/dockets.asp?ID=280075821"
source_hash: "77eadbc47db0e5ae8d2bc27a3956a534b6a655cf12ed83afec6f622ec855e094"
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-me"]
---

# Maine LD 1928 (129) — An Act To Prohibit Health Insurance Carriers From Retroactively Reducing Payment On Clean Claims Submitted By Pharmacies

## Version chain

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

1. **Adopted Amendments** (committee substitute) — [source](http://www.mainelegislature.org/legis/bills/getPDF.asp?paper=SP0670&item=2&snum=129)
2. **Documents and Disposition** (committee substitute) — [source](http://www.mainelegislature.org/legis/bills/getPDF.asp?paper=SP0670&item=1&snum=129)
3. **Final Disposition** (committee substitute) — [source](http://www.mainelegislature.org/legis/bills/getPDF.asp?paper=SP0670&item=5&snum=129)
4. **Status In Committee** (committee substitute) — [source](http://www.mainelegislature.org/legis/bills/getPDF.asp?paper=SP0670&item=3&snum=129)

## Sponsors

- Nathan LIBBY — primary (person)
- Denise TEPLER — cosponsor (person)
- Geoffrey GRATWICK — cosponsor (person)
- Jeffrey EVANGELOS — cosponsor (person)
- Ned CLAXTON — cosponsor (person)
- Ryan FECTEAU — cosponsor (person)
- Scott CYRWAY — cosponsor (person)
- Troy JACKSON — cosponsor (person)

## Timeline

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

- **2020-01-08** Received by the Secretary of the Senate on January 2, 2020 and REFERRED to the Committee on HEALTH COVERAGE, INSURANCE AND FINANCIAL SERVICES pursuant to Joint Rule 308.2 `referral-committee`
- **2020-03-17** Reports Read
- **2020-03-17** On motion by Senator SANBORN, H. of Cumberland the Majority Ought to Pass as Amended By Committee Amendment "A" (S-434) Report ACCEPTED.
- **2020-03-17** READ ONCE `reading-1`
- **2020-03-17** Committee Amendment "A" (S-434) READ and ADOPTED
- **2020-03-17** Under suspension of the Rules, READ A SECOND TIME and PASSED TO BE ENGROSSED AS AMENDED by Committee Amendment "A" (S-434) `reading-2`
- **2020-03-17** Sent down for concurrence
- **2020-03-17** Reports READ.
- **2020-03-17** On motion of Representative TEPLER of Topsham, the Majority Ought to Pass as Amended Report was ACCEPTED.
- **2020-03-17** The Bill was READ ONCE. `reading-1`
- **2020-03-17** Committee Amendment "A" (S-434) was READ and ADOPTED. `passage`
- **2020-03-17** Under suspension of the rules, the Bill was given its SECOND READING without REFERENCE to the Committee on Bills in the Second Reading.
- **2020-03-17** The Bill was PASSED TO BE ENGROSSED as Amended by Committee Amendment "A" (S-434).
- **2020-03-17** In concurrence. ORDERED SENT FORTHWITH.
- **2020-03-17** PASSED TO BE ENACTED. `passage`
- **2020-03-17** Sent for concurrence. ORDERED SENT FORTHWITH.
- **2020-03-17** PASSED TO BE ENACTED, in concurrence. `passage`
- **2020-03-18** 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/1421ad44-2a1c-4327-9a97-4fad9df7d181`. Confidence: reported (aggregated from official Maine legislature records).