---
type: "Bill"
title: "STO report; DOR; posting deadline"
description: "STO report; DOR; posting deadline"
jurisdiction: "us/states/az"
legislature: "Arizona Legislature"
session: "54th-2nd-regular"
identifier: "SB 1100"
citation: "Arizona SB 1100 (54th-2nd-regular)"
classification: ["bill"]
subjects: ["ANNUAL REPORT", "DEADLINES", "DOR", "POSTINGS", "REPORT", "SCHOOL TUITION ORGANIZATIONS", "STO", "TAXATION OF INCOME - TITLE 43"]
status: "enacted"
primary_sponsors: ["J.D. Mesnard"]
version_count: 3
action_count: 14
vote_count: 2
first_action: "2020-01-09"
last_action: "2020-03-20"
source: "openstates"
source_identifier: "ocd-bill/c64a685b-d270-4643-a5d9-2a8238cfc5e0"
source_url: "https://apps.azleg.gov/BillStatus/BillOverview/72731?SessionId=122"
source_hash: "a42ac2a6a37c559e8a85f494ad514f541d502ab53a5bddec0c625eb3dfc08f8e"
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-az"]
---

# Arizona SB 1100 (54th-2nd-regular) — STO report; DOR; posting deadline

## Version chain

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

1. **Chaptered Version** (committee substitute) — [source](https://www.azleg.gov/legtext/54leg/2R/laws/0010.htm)
2. **Introduced Version** (committee substitute) — [source](https://www.azleg.gov/legtext/54leg/2R/bills/SB1100P.htm)
3. **Senate Engrossed Version** (committee substitute) — [source](https://www.azleg.gov/legtext/54leg/2R/bills/SB1100S.htm)

## Votes

- Passed — **58–0** (pass) · lower
- Passed — **30–0** (pass) · upper

## Sponsors

- J.D. Mesnard — primary (person)

## Timeline

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

- **2020-01-09** Prefiled. `filing`
- **2020-01-13** Senate First Reading `reading-1`
- **2020-01-14** Senate Second Reading `reading-2`
- **2020-01-15** DP `committee-passage`
- **2020-01-30** PASSED `passage, reading-3`
- **2020-01-30** Transmit to House
- **2020-02-27** House First Reading. `reading-1`
- **2020-03-02** House Second Reading `reading-2`
- **2020-03-04** DP `committee-passage`
- **2020-03-09** House Placed on Consent Calendar
- **2020-03-12** PASSED `passage, reading-3`
- **2020-03-12** Transmit to Senate
- **2020-03-16** Transmit to Governor `executive-receipt`
- **2020-03-20** 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/c64a685b-d270-4643-a5d9-2a8238cfc5e0`. Confidence: reported (aggregated from official Arizona legislature records).