Representative Page

Below are forms for various practitioners of assessment review (AR), provided by the Assessment Review Commission (ARC).

All Representatives and Attorneys filing on any property as a representative, where you are not the owner, must register and obtain a representative number from ARC. . Please email arcoperations@nassaucountyny.gov for further information. 

ARC Representative Due Dates for 2020/21

DATE
ITEM DUE
June 17, 2019
First AR20 due date
July 15, 2019
Second AR20 due date
July 19, 2019
Last Day to accept AR70’s for August roll & DAF
August 15, 2019
Last AR20 due date


Forms For Attorneys and Other Representative
 Adobe Acrobat format (PDF)
Form AR 10 (PDF)
Authorization to Represent an Individual Taxpayer pdf
Form AR 11 (PDF)
Authorization to Represent an Entity,
Fiduciary attorney-In Fact
Form AR 20 (PDF)
Request for Information
Form AR 20 - Instructions (PDF) 
Instructions
Residential Rent Roll Template (PDF)
Commercial Rent Roll Template (PDF)
Form AR 70 (PDF)
ARC Stipulation
Form AR 71 (PDF) 
ARC Residential Stipulation
Form AR 80- ARC Release (PDF)
ARC Stipulation Discontinuance (PDF)
 Bulk Upload layout and Specification  
Protest e-File Layout (PDF) (NEW for 2020/21)

Parcel Number Format (PDF)

Authorization Image File Specification (PDF)

AR20 Bulk Upload Layout and Specification
AR 20 e-file Layout

ARC AR20 Online Filing Procedures

AR20 Bulk Upload Attachments Naming Convention

AROW AR20 Filing Guide

Duplicate Applications for Correction filed in 2018 for the 2019-20 year (PDF) (updated 7/24/18) (.xlsx format -650 kb)

2019/20 Form AR20 Submission Log (Non-Class 1 Applications)
(updated 10/11/18)
(.xlsx format -513 kb)

The attached spreadsheet lists applications by appeal number that ARC has received AR20 forms for the 2019/20 tax year. This list is compiled for the sole purpose of allowing representatives and prose applicants to identify which appeals ARC has received AR20’s for. ARC makes no representation that the AR20’s received for the appeals on this list comply with ARC’s rules of procedure or with the Real Property Tax Law.