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ARC 2022/23 application grace period Applications received by the Assessment Review Commission up through April 30, 2021 shall be deemed timely. The Commission recommends that to the extent possible property owners that plan to file do so as soon as possible.
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.
DATE | ITEM DUE |
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February 19, 2021 | Deadline for residential status change and processing any Consents to Change |
March 1, 2021 | Deadline for commercial status change and processing of Consents to Change |
March 1, 2021 | Last day to file Grievances |
Forms For Attorneys and Other Representative Adobe Acrobat format (PDF) |
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Form AR 10 (PDF) Authorization to Represent an Individual Taxpayer pdf |
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 |
ARC Stipulation Discontinuance (PDF) |
Consent to Change Attorney Template (PDF) |
Bulk Upload layout and Specification Protest e-File Layout (PDF) (NEW for 2022/23) 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) |