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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
| DATE | ITEM DUE |
|---|---|
| February 21, 2020 | Deadline for residential status change and processing any Consents to Change |
| March 2, 2020 | Deadline for commercial status change and processing of Consents to Change |
| March 2, 2020 | Last day to file Grievances |
| Forms For Attorneys and Other Representative Adobe Acrobat format (PDF) |
|---|
| Form AR 10 (PDF) Authorization to Represent an Individual Taxpayer pdf |
| 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) |
| Consent to Change Attorney Template (PDF) |
| Bulk Upload layout and Specification Protest e-File Layout (PDF) (NEW for 2021/22) 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 2020 for the 2021-22 year (updated 5/29/20) (PDF ~8mb) |