---
type: "Bill"
title: "Enacts the monarch preservation plan"
description: "Enacts the monarch preservation plan requiring the department of environmental conservation to take feasible actions to conserve monarch butterflies and the unique habitats they depend upon for successful migration."
jurisdiction: "us/states/ny"
legislature: "New York Legislature"
session: "2025-2026"
identifier: "A 1819"
citation: "New York A 1819 (2025-2026)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Jo Anne Simon"]
version_count: 1
action_count: 16
vote_count: 2
first_action: "2025-01-14"
last_action: "2025-12-12"
source: "openstates"
source_identifier: "ocd-bill/f50dc0ca-c534-44fe-b1b8-a7597b0d1546"
source_url: "http://www.nysenate.gov/legislation/bills/2025/A1819"
source_hash: "caa6b4697f63738b144c83617e2fd0ec217dddfaa83d8ba5c3b42bd6290003d4"
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-ny"]
---

# New York A 1819 (2025-2026) — Enacts the monarch preservation plan

Enacts the monarch preservation plan requiring the department of environmental conservation to take feasible actions to conserve monarch butterflies and the unique habitats they depend upon for successful migration.

## Version chain

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

1. **A1819** (committee substitute) — [source](http://assembly.state.ny.us/leg/?sh=printbill&bn=A1819&term=2025&Text=Y)

## Votes

- Assembly Vote — **144–0** (pass) · lower
- Floor Vote — **57–0** (pass) · upper

## Sponsors

- Jo Anne Simon — primary (person)
- Carrie Woerner — cosponsor (person)
- David McDonough — cosponsor (person)
- Keith Brown — cosponsor (person)
- Linda Rosenthal — cosponsor (person)
- Nader Sayegh — cosponsor (person)
- Stefani Zinerman — cosponsor (person)
- Steven Otis — cosponsor (person)
- William Colton — cosponsor (person)

## Timeline

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

- **2025-01-14** REFERRED TO ENVIRONMENTAL CONSERVATION `referral-committee`
- **2025-02-11** REPORTED REFERRED TO WAYS AND MEANS `referral-committee`
- **2025-04-01** REPORTED REFERRED TO RULES `referral-committee`
- **2025-04-01** REPORTED
- **2025-04-01** RULES REPORT CAL.124
- **2025-04-01** ORDERED TO THIRD READING RULES CAL.124
- **2025-04-01** PASSED ASSEMBLY `passage`
- **2025-04-01** DELIVERED TO SENATE
- **2025-04-01** REFERRED TO ENVIRONMENTAL CONSERVATION `referral-committee`
- **2025-05-22** SUBSTITUTED FOR S3163
- **2025-05-22** 3RD READING CAL.768
- **2025-05-22** PASSED SENATE `passage`
- **2025-05-22** RETURNED TO ASSEMBLY
- **2025-12-08** DELIVERED TO GOVERNOR `executive-receipt`
- **2025-12-12** SIGNED CHAP.620 `executive-signature`
- **2025-12-12** APPROVAL MEMO.15

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/f50dc0ca-c534-44fe-b1b8-a7597b0d1546`. Confidence: reported (aggregated from official New York legislature records).