---
type: "Bill"
title: "Automobile Insurance – Usage–Based Insurance"
description: "Automobile Insurance – Usage–Based Insurance"
jurisdiction: "us/states/md"
legislature: "Maryland General Assembly"
session: "2020"
identifier: "HB 270"
citation: "Maryland HB 270 (2020)"
classification: ["bill"]
subjects: []
status: "enacted"
primary_sponsors: ["Dumais"]
version_count: 3
action_count: 15
vote_count: 2
first_action: "2020-01-20"
last_action: "2020-05-08"
source: "openstates"
source_identifier: "ocd-bill/56f0de1a-f1a1-46aa-b1eb-956149758187"
source_url: "http://mgaleg.maryland.gov/mgawebsite/Legislation/Details/hb0270?ys=2020RS&search=True"
source_hash: "2a73139dfdd9129112aef170a503c9bcc4996bed9262e32914419215d5d36414"
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-md"]
---

# Maryland HB 270 (2020) — Automobile Insurance – Usage–Based Insurance

## Version chain

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

1. **Chapter - Automobile Insurance – Usage–Based Insurance** (committee substitute) — [source](http://mgaleg.maryland.gov/2020RS/Chapters_noln/CH_144_hb0270t.pdf)
2. **First - Automobile Insurance - Usage-Based Insurance - Application and Notice** (committee substitute) — [source](http://mgaleg.maryland.gov/2020RS/bills/hb/hb0270f.pdf)
3. **Third - Automobile Insurance – Usage–Based Insurance** (committee substitute) — [source](http://mgaleg.maryland.gov/2020RS/bills/hb/hb0270t.pdf)

## Votes

- On Third Reading — **44–0** (pass) · upper
- On Third Reading — **132–0** (pass) · lower

## Sponsors

- Dumais — primary (person)

## Timeline

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

- **2020-01-20** First Reading Economic Matters `referral-committee`
- **2020-01-24** Hearing 2/05 at 2:00 p.m.
- **2020-02-04** Hearing canceled
- **2020-02-04** Hearing 2/12 at 1:00 p.m.
- **2020-03-14** Favorable with Amendments Report by Economic Matters `committee-passage-favorable`
- **2020-03-14** Favorable with Amendments { `committee-passage-favorable`
- **2020-03-14** Second Reading Passed with Amendments
- **2020-03-15** Third Reading Passed `passage`
- **2020-03-16** Referred Finance `referral-committee`
- **2020-03-17** Favorable Report by Finance `committee-passage-favorable`
- **2020-03-17** Favorable Adopted `committee-passage-favorable`
- **2020-03-17** Second Reading Passed
- **2020-03-17** Third Reading Passed `passage`
- **2020-03-18** Returned Passed
- **2020-05-08** Enacted under Article II, Section 17(c) of the Maryland Constitution - Chapter 144 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/56f0de1a-f1a1-46aa-b1eb-956149758187`. Confidence: reported (aggregated from official Maryland legislature records).