---
type: "Bill"
title: "Enacts \"Shannon's law\""
description: "Enacts \"Shannon's law\"; relates to requiring insurance companies to cover annual mammograms for breast cancer screening for covered persons aged thirty-five and older."
jurisdiction: "us/states/ny"
legislature: "New York Legislature"
session: "2019-2020"
identifier: "S 3852"
citation: "New York S 3852 (2019-2020)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["MARTINEZ"]
version_count: 2
action_count: 14
vote_count: 3
first_action: "2019-02-20"
last_action: "2019-08-02"
source: "openstates"
source_identifier: "ocd-bill/68d0ba5b-b451-4466-afdc-421b044453ca"
source_url: "http://www.nysenate.gov/legislation/bills/2019/S3852"
source_hash: "714022cd1f12a3004986b444000f0d6381af7407aab40d977a2169df94f3fab5"
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 S 3852 (2019-2020) — Enacts "Shannon's law"

Enacts "Shannon's law"; relates to requiring insurance companies to cover annual mammograms for breast cancer screening for covered persons aged thirty-five and older.

## Version chain

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

1. **S3852** (committee substitute) — [source](http://assembly.state.ny.us/leg/?sh=printbill&bn=S3852&term=2019&Text=Y)
2. **S3852A** (committee substitute) — [source](http://legislation.nysenate.gov/pdf/bills/2019/S3852A)

## Votes

- Floor Vote - Version: A — **62–0** (pass) · upper
- Insurance Vote — **11–0** (pass) · upper
- Assembly Vote — **146–0** (pass) · lower

## Sponsors

- MARTINEZ — primary (person)
- BIAGGI — cosponsor (person)
- BOYLE — cosponsor (person)
- BROOKS — cosponsor (person)
- CARLUCCI — cosponsor (person)
- GAUGHRAN — cosponsor (person)
- KAMINSKY — cosponsor (person)
- KAPLAN — cosponsor (person)
- KENNEDY — cosponsor (person)
- MYRIE — cosponsor (person)
- RAMOS — cosponsor (person)
- SALAZAR — cosponsor (person)
- THOMAS — cosponsor (person)

## Timeline

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

- **2019-02-20** REFERRED TO INSURANCE `referral-committee`
- **2019-04-29** 1ST REPORT CAL.465
- **2019-04-30** 2ND REPORT CAL.
- **2019-05-01** ADVANCED TO THIRD READING
- **2019-06-05** AMENDED ON THIRD READING 3852A `amendment-passage`
- **2019-06-13** PASSED SENATE `passage`
- **2019-06-13** DELIVERED TO ASSEMBLY
- **2019-06-13** REFERRED TO WAYS AND MEANS `referral-committee`
- **2019-06-18** SUBSTITUTED FOR A5502A
- **2019-06-18** ORDERED TO THIRD READING RULES CAL.268
- **2019-06-18** PASSED ASSEMBLY `passage`
- **2019-06-18** RETURNED TO SENATE
- **2019-07-30** DELIVERED TO GOVERNOR `executive-receipt`
- **2019-08-02** SIGNED CHAP.143 `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/68d0ba5b-b451-4466-afdc-421b044453ca`. Confidence: reported (aggregated from official New York legislature records).