Hamilton County Auditor, OH: Property Search, Records & Maps

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Hamilton County, Ohio · Parcel, tax, map, deed and value help

Search a Parcel, Then Solve the Property Task

Find a Hamilton County property by legal owner name, street address or parcel ID, then use the complete record to check value, taxes, transfers, images, sales and map information.

The sections below explain exactly what to enter, how to recover a missing result and when to use the Auditor, Treasurer, Recorder, CAGIS, Engineer or Board of Revision.

Open official property search Choose the correct office Fix a missing property
Match the parcel—not only the name. Confirm the physical address and parcel ID before paying taxes, researching ownership, sending documents or making a property decision. A person or company may own several parcels, and similar names can produce misleading results.
Search options Owner, address, parcel, sales and advanced
Parcel length Most IDs contain 13 characters
Current tax view Tax year 2025 payable in 2026
Auditor phone 513-946-4000
Office location 138 E. Court St., Cincinnati

What do you need to do?

Jump directly to the task instead of reading a generic property-record directory.

30-second office finder

Use the office that can actually finish the task

Auditor Search parcels, review appraisal facts, check values, apply for Homestead or CAUV, process conveyances and file value complaints.
Treasurer Confirm tax balances, payments, posting, escrow, penalties, delinquency and official payment deadlines.
Recorder Find deeds, mortgages, liens, easements, releases, plats, document images and certified copies.
CAGIS View parcel location, neighboring lots, aerial imagery and available geographic layers.
Board of Revision Contest the Auditor’s market value using the current complaint form and supporting evidence.
Engineer / Transfer Desk Review legal descriptions, surveys, parcel splits, consolidations and transfer requirements.
Best workflow: Identify the parcel with the Auditor first. Copy the parcel ID. Then move to the Treasurer, Recorder, CAGIS or another office only when the task requires it.
Open Hamilton County Auditor View official department contacts
Hamilton County Auditor Ohio property search by owner, street address, parcel ID, sales or advanced criteria
Hamilton County’s official search offers Owner, Street Address, Parcel ID, Sales and Advanced options. The formatting tips below prevent the most common blank-result and wrong-parcel errors.
Missing-result recovery

Property not found? Follow this order

Owner search is blank Search surname only, then surname plus initial. Try the prior owner, trust, estate or business.
Address search is blank Remove the street suffix, directional, apartment, punctuation and secondary unit.
USPS address does not match Search a nearby address range and use Aerial Imagery to identify the taxable parcel.
Commercial building has several addresses Several USPS addresses may sit on one taxable parcel.
Parcel number fails Recheck every zero, letter and separator. Try the first several characters.
Old parcel disappeared It may have been retired, split, consolidated or renumbered.
New construction is missing Search the underlying land or parent parcel while the improvement is being processed.
Condo unit is unclear Match the unit, parcel ID and condominium document—not only the building address.
Hamilton County address fix: When a USPS address does not match the parcel database, search a nearby property, open Aerial Imagery, select Layers and turn on the parcelmerged layer to identify the taxable parcel.

Prepare this before contacting the county

Complete property address
Current and former owner names
Parcel ID or partial ID
Approximate transfer date
Nearby intersection
Tax bill or deed reference
Screenshot of the failed search
Short explanation of the problem
Useful search-help script “I am trying to identify the taxable parcel at [address]. The current or prior owner may be [name]. I searched by [owner/address/parcel] but could not confirm the record. Can you check whether the address is attached to another parcel or whether the parcel was split, consolidated, retired or recently transferred?”
Call Real Estate Information: 513-946-4000 Email the Auditor
Property-card decoder

Read the parcel record without misinterpreting it

Hamilton County property-report sections explained
Section
What it shows
Useful next action
Property Summary
Parcel ID, owner, addresses, tax district, school district, use, value and transfer summary.
Confirm the parcel before using tax, deed or map tools.
Appraisal Information
Building facts, land details, appraisal area and value components.
Check square footage, age, condition, use, garage, basement and improvements.
Levy Information
Applicable levies and tax-rate information.
Separate value concerns from tax-rate concerns.
Transfer
Transfer date, price, deed type, prior owner, current owner and conveyance clues.
Use the Recorder for the document itself.
Value History
Market and assessed values over multiple years.
Compare changes with reappraisal, construction, demolition or correction activity.
Board of Revision
Prior complaint history and results where available.
Review earlier decisions before filing another complaint.
Payment Detail
Bills, payments, corrections, adjustments and delinquency.
Contact the Treasurer for the official current balance.
Tax Distributions
Market value, assessed value, rates, credits, reductions and tax distribution.
Compare only parcels in the same taxing district.
Images and Sketches
Available property photographs and building sketches.
Compare the record with the property’s actual improvements.
Special Assessment / Payoff
Special-assessment or payoff information.
Identify the public body responsible for the charge.
Tax Lien Certificates
Available tax-lien-certificate information.
Obtain an official payoff or professional guidance when necessary.
CAGIS / Aerial
Parcel location, adjacent parcels and aerial context.
Use a deed and survey for legal boundaries.

Market value, assessed value and tax are not the same

Market value The Auditor’s estimate of fair-market value for the applicable tax year.
Assessed value Ohio assessed value is generally 35% of market value.
Final tax Rates, credits, reduction factors, assessments, corrections and delinquency affect the amount due.
$0 transfer tip: A $0 transfer may represent an exempt conveyance, quitclaim deed, trust change or another transfer where no purchase price was reported. It does not mean the property has no value.

2026 triennial update

Hamilton County identifies 2026 as a triennial appraisal year. New values are expected to become effective on property-tax bills issued in January 2027.
Compare the correct years: Current records may show tax year 2025 payable in 2026. The 2026 triennial value is a separate cycle expected to affect January 2027 bills.

Build a useful printable report

For purchase, tax or value research, select Property Summary, Appraisal Information, Transfer, Value History, Payment Detail, Tax Distributions, Parcel Photo, Sketches, Special Assessment/Payoff and Owner Names.

Tax and payment troubleshooting

Check taxes without confusing the calculation and balance

Open Tax Distributions Review value, rate, reduction factor, credits and where the tax is distributed.
Open Payment Detail Check billed amounts, payment dates, corrections, adjustments and unpaid balances.
Review Special Assessment / Payoff Identify charges that are separate from ordinary real-estate tax.
Confirm with the Treasurer Use the Treasurer for official balances, due dates, posting, escrow, penalties and payment plans.
Useful tax-record detail: The main tax calculation generally occurs at set billing stages. Later corrections or adjustments may appear in Payment Detail, so the original calculation screen may not show the final current balance.

Why similar houses can have different bills

Different taxing or school district
Different effective tax rate
Owner Occupancy Credit
Homestead Exemption
Non-Business Credit
CAUV or exempt value
Special assessments
Delinquency, penalty or correction

Use the correct fix

Value appears wrong Review appraisal facts, images, value history and comparable sales.
Payment is missing Check Payment Detail and bank confirmation, then contact the Treasurer.
Mortgage should have paid Confirm escrow activity before making a duplicate payment.
Unexpected assessment appears Open Special Assessment / Payoff and identify the responsible agency.
Credit disappeared after purchase Check whether the buyer filed and qualifies for the relevant program.
Prior delinquency appears Request the official payoff and available options from the Treasurer.
Useful Treasurer call script “I am calling about parcel [parcel ID] at [address]. Payment Detail shows [amount/status], but I need the official current balance and confirmation of [payment posting, escrow, deadline, penalty, delinquency or correction]. What is the next required action?”
Open Hamilton County Treasurer Call Treasurer: 513-946-4800
CAGIS and aerial-imagery guide

Use the map to locate property—not establish boundaries

Find the parcel first Save the verified parcel ID from the Auditor result.
Open CAGIS or Aerial Imagery Start from the parcel page rather than searching the map from memory.
Compare adjacent parcels Review roads, lot shapes, nearby parcel labels and visible improvements.
Use layers for address problems Turn on parcelmerged where available to understand combined taxable parcels.
Use legal records for final decisions Move to the deed, plat, survey, zoning and permit information when required.
CAGIS helps with
  • Locating a parcel visually
  • Checking adjacent parcels
  • Comparing aerial imagery
  • Understanding irregular lot shapes
  • Resolving mailing-address confusion
CAGIS does not prove
  • Exact boundary location
  • Legal ownership
  • Easement rights
  • Permitted construction placement
  • Marketable title
Fence and construction warning: Do not place a fence, driveway, garage, addition or utility using an online parcel line. Obtain the appropriate survey, deed, plat, zoning and permit information.
Cincinnati parcel tip: Narrow urban lots, corner parcels, condominiums, combined lots and buildings with several USPS addresses can be misleading. Match the parcel ID and legal-description clues before relying on the street number.
Find a parcel and open CAGIS Open Auditor maps and links
Comparable-sale research

Find sales that genuinely compare with the property

A sale across the street is not automatically comparable. Match location, property type, size, age, condition and transfer circumstances.

Location match
  • Appraisal area
  • School district
  • Neighborhood
  • Traffic and surroundings
Physical match
  • Square footage
  • Year built
  • Land use
  • Garage and basement
  • Condition and renovation
Transaction match
  • Recent transfer date
  • Arm’s-length sale
  • Similar number of parcels
  • No family or distress-sale issue
Exclude obvious family transfers
Check multi-parcel sales
Review foreclosure context
Compare property condition
Investigate $0 transfers
Use a similar valuation date
Appraisal-area shortcut: The parcel’s appraisal information may include a Sales link connected with its appraisal area. Use that as a starting pool, then remove materially different properties.
Recorder document workflow

Find deeds, mortgages, liens, easements and plats

Copy the parcel ID, owner name, prior owner, transfer date and book/page or conveyance clues from the Auditor. Then use the Recorder for the official recorded document.

Collect the parcel clues Save the parcel ID, names, transfer date and document references.
Open Public Document Inquiry Choose the search type matching the information you already know.
Search names broadly Start with surname and first initial or distinctive company wording.
Add document type and date Narrow to deed, mortgage, release, lien, easement or another category.
Review both dates The executed date and recorded date may be different.
Request certification when required A downloaded image may not satisfy a court, lender or agency.
Choose the Recorder search based on what you know
Known information
Search option
Practical tip
Owner or company
Name
Use surname plus first initial or a distinctive business phrase.
Approximate period
Date Range / Document Type
Add the document category to remove unrelated records.
Exact recorded date
Record Date
This finds documents recorded that day, not necessarily signed that day.
Book and page
Book / Page
Copy both values exactly.
Instrument number
Document Number
Use the complete number when available.
Parcel ID
Auditor Number
Add a date or document type if too many results appear.
Subdivision and lot
Subdivision / Lot
Use the exact subdivision name and lot number.
Section, town and range
Legal Description
Enter only the parts you can verify.

Current copy and recording costs

Selected Hamilton County Recorder fees
Service
Published fee
Useful note
Basic recording
$34 for the first two pages
$8 for each additional page.
Certified copy
$2 per page plus $1 certification
Confirm page count before ordering.
Self-service copy
$0.10 per page
Staff-made copies may use a different fee.
Subdivision plat map
$2 per map
Provide the Recorder book and page—not only the Auditor parcel number.
Credit-card convenience fee
$2 or 2.39%, whichever is greater
Debit-card fee is published separately as $2.
Title-search limit: Finding one deed does not prove that no later deed, mortgage, lien, easement, court filing or other interest affects the property. Purchases and ownership disputes may require professional title research.
Open Recorder Public Document Inquiry View Recorder contacts Verify current Recorder fees
Free ownership-monitoring tool

Set up a Recording Notification Service alert

Hamilton County’s Recorder offers a free email alert when a new document is recorded using a monitored name.

The service can
  • Monitor up to five name variations per email
  • Send an email after a matching document is recorded
  • Provide a link to review the record
  • Remain active until edited or cancelled
The service cannot
  • Prevent a document from being recorded
  • Interpret legal meaning
  • Alert for documents recorded before signup
  • Monitor property in another county
Name-variation strategy: Monitor the exact versions previously used on deeds or mortgages, such as JOHN DOE, JOHN R DOE, JOHN ROBERT DOE and JOHN R DOE JR. Do not use punctuation.
An alert does not automatically mean fraud. Common names can trigger notices for another person. Open the document and verify the property, names and recording information before taking action.
Review the free notification service Read notification FAQs
Board of Revision preparation

Challenge value with evidence—not only a high tax bill

The Board of Revision reviews property value. It does not remove voter-approved levies or change the tax rate because the final bill increased.

2026 filing period: Hamilton County’s published 2026 complaint period ran from January 1 through March 31, 2026. Complaints could not be submitted by email. Use the official page to confirm the next filing period and current form.

Check these facts before filing

Living area and building size
Land size and use
Year built and condition
Garage, basement and outbuildings
Recent sale and transfer type
Value history
Comparable recent sales
Prior Board of Revision history

Match the evidence to the reason

Recent purchase below value Use the closing statement, contract and appraisal from a genuine arm’s-length sale.
Comparable homes sold lower Use a focused group of similar recent sales and explain the similarities.
Serious property-condition issue Use dated photographs, inspection findings and repair estimates tied to the valuation date.
Choose the value requested State the market value supported by the evidence.
Use the correct current form Real property, manufactured homes and other appeals may use different forms.
Organize attachments Label documents and explain how each supports the requested value.
Use an accepted filing method Do not submit by email when the county prohibits email complaints.
Prepare for a concise hearing Present the strongest evidence first and have someone with direct knowledge available.
Track the parcel’s BOR tab Status, counter-complaints and results may appear in the property record.
Do not overlook counter-complaints. Another party with a statutory interest in the value, such as a school board, may respond to the owner’s complaint.
Useful value-appeal script “I am preparing a complaint for parcel [parcel ID]. The current market value is [amount], and I believe [requested value] is supported by [sale, appraisal, comparable sales or condition evidence]. Can you confirm the next filing period, current form, accepted delivery methods and evidence requirements?”
Open Board of Revision information Call Board of Revision: 513-946-4035
Credits, exemptions and special programs

Check each property-tax relief program separately

Common Hamilton County property-relief programs
Program
Main purpose
Important check
Owner Occupancy Credit
Credit connected with a qualifying primary residence.
Confirm it appears after a purchase or ownership change.
Homestead Exemption
Additional relief for eligible homeowners under statutory rules.
Prior-owner eligibility does not automatically transfer.
CAUV
Values qualifying agricultural land according to agricultural use.
Annual renewal, transfer forms and recoupment consequences matter.
Tax Exemption / Remission
Applies to qualifying property under Ohio exemption law.
Eligibility depends on property use and statutory requirements.
Destroyed or Damaged Property
Requests value consideration after qualifying damage.
Document the date, cause and extent of damage.
Abatement / TIF
Special value or tax treatment connected with qualifying development.
Separate abated, exempt or TIF value from ordinary taxable value.

After buying a property

Confirm the new owner appears
Verify the tax-bill mailing address
Review Owner Occupancy Credit
Confirm Homestead eligibility
Review CAUV or exemption status
Check special assessments
Buyer warning: Never assume the seller’s credit, exemption, CAUV status or abatement automatically continues. Some benefits depend on the new owner’s occupancy, age, disability, income, veteran status, agricultural use or filing.
Open Auditor forms and downloads Homestead help: 513-946-4099 CAUV / Exemption help: 513-946-4120
Conveyance and parcel-change workflow

Prepare a deed transfer, split or consolidation correctly

Transfer documents move through the Auditor to maintain ownership and parcel records and collect conveyance fees. Some legal descriptions also require County Engineer approval.

Common items to prepare

DTE 100 for taxable conveyance
DTE 100EX for exempt conveyance
Deed or other evidence of title
Grantee’s mailing address
Prior recorded-instrument reference
DTE 101 when Homestead applies
DTE 102 when CAUV applies
Affidavit or closing statement if requested

Published conveyance charges

State conveyance fee $1 per $1,000 of sale price or consideration.
County permissive fee $2 per $1,000 of sale price or consideration.
Parcel transfer fee $0.50 for every parcel described in the document.
Combined conveyance rate: $3 per $1,000 of consideration, plus $0.50 per parcel.

Mistakes that delay processing

Fees combined into one wrong check Auditor, Recorder and Engineer charges should not be mixed without official instruction.
Wrong payee Auditor transfer-fee payments should be payable as directed by the Transfer Desk.
Blank or excessive check Do not expect staff to complete a blank check or retain excess funds.
Late-day submission Property submitted after 3:20 p.m. is processed the next business day.
Shrunken electronic form Keep the DTE form at full size with all four corner markers visible.
Changed tract description A survey and Engineer approval may be required when the tract differs from the preceding conveyance.
Consolidation tip: Combining parcels under the same ownership may require a survey plat listing deed references, book and page information and all parcel numbers.
Read transfer requirements Use official transfer-fee calculator Call Transfer Desk: 513-946-4015
Phone and office guide

Call the correct Hamilton County property department

Official phone routing for common property questions
Question
Contact
Prepare before calling
Property search or appraisal
513-946-4000
Parcel ID, address, owner and the field in question.
Board of Revision
513-946-4035
Tax year, current value, requested value and evidence.
Transfer / conveyance
513-946-4015
Deed, DTE form, price and parcel count.
Homestead
513-946-4099
Parcel ID, occupancy and eligibility question.
CAUV or exemption
513-946-4120
Acreage, use, filing status and form question.
Abatement or TIF
513-946-4012
Parcel ID and project or exemption details.
Tax payment
513-946-4800
Parcel ID, bill year, payment date and confirmation.
Recorder general information
513-946-4596
Names, document type, date and document reference.
Hamilton County Auditor
138 East Court Street
Cincinnati, OH 45202

Published hours: 7:30 a.m.–4:00 p.m., Monday–Friday, excluding holidays.

Recorder timing

The Recorder’s general office hours are 7:30 a.m.–4:00 p.m. The Recording Desk publishes an earlier 3:30 p.m. closing time.

One useful script for most county calls “I am calling about parcel [parcel ID] at [address]. I need help with [search, value, payment, deed, map, exemption or transfer]. The online record shows [specific fact]. Which office, form or next step should I use?”
Nearby Ohio county guides

Use the correct guide for a neighboring county

Butler County Auditor Property Search Owner, address, parcel, tax, sales and map help north of Hamilton County. Warren County Auditor Property Search Property lookup, values, maps, taxes and deed guidance. Clermont County Auditor Property Search Parcel records and GIS help east of Hamilton County. Montgomery County Auditor Property Search Owner, parcel, tax, sales and map workflows for Montgomery County.
Ten practical answers

Hamilton County property search FAQs

How do I search Hamilton County property by owner name?

Choose Owner in the official Hamilton County Property Search. Enter the legal surname followed by the first name or first initial, such as JONES JO. Partial entries are accepted, so begin broadly and verify the result by address and parcel ID.

How do I search a Hamilton County property by street address?

Enter the house number in the Exact or Low field and enter the main street name without suffixes such as Street, Road, Drive, Avenue or Court. Leave the High field blank when searching one address.

Why does a valid Hamilton County mailing address not appear?

A USPS mailing address may not match the taxable-parcel address. Search a nearby address range, open Aerial Imagery and review the parcelmerged map layer to identify the underlying taxable parcel.

How long is a Hamilton County parcel number?

Most Hamilton County parcel numbers contain 13 characters. A partial parcel number can return related records, but all 13 characters should be entered when searching for one exact parcel.

What does tax year 2025 payable 2026 mean?

The value and tax calculation are associated with tax year 2025, while the resulting real-estate tax is billed and paid during 2026.

Are Hamilton County CAGIS parcel lines legally exact?

No. CAGIS parcel lines help locate property but are not legal boundary surveys. Use the recorded deed, approved plat and a licensed surveyor when exact boundaries matter.

Where can I find a Hamilton County deed, mortgage or lien?

Use the Hamilton County Recorder Public Document Inquiry. Searches can be run by name, date, document type, book and page, document number, subdivision, legal-description information or Auditor parcel number.

How do I challenge a Hamilton County property value?

Review the parcel facts and comparable sales, collect evidence and file the current DTE 1 complaint with the Hamilton County Board of Revision during the published filing period. Complaints cannot be submitted by email.

When will Hamilton County’s 2026 triennial values affect tax bills?

Hamilton County identifies 2026 as a triennial appraisal year, with new values expected to become effective on property-tax bills issued in January 2027.

What is the Hamilton County Auditor phone number and address?

The Hamilton County Auditor general-information number is 513-946-4000. The office is at 138 East Court Street, Cincinnati, Ohio 45202, with published hours of 7:30 a.m. to 4:00 p.m. Monday through Friday, excluding holidays.

Verification note: Search formatting, report fields, current tax-year display, 2026 triennial information, office contacts, Recorder services and fees, Board of Revision procedures, recording alerts and transfer requirements were checked against official Hamilton County sources on July 18, 2026.
Independent guide: CountyAuditors.org is not the Hamilton County Auditor, Treasurer, Recorder, Engineer, CAGIS or Board of Revision. Live property, tax, payment, document, filing and map information is controlled by the responsible government office. Online records should not replace legal, surveying, title, lending or tax advice.
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Ohio Auditor Tools · Tax Year 2026

10 Ohio Property Tax Calculators & Auditor Tools

Built specifically for Ohio's 35% assessment ratio, current DTE forms, and 2026 Homestead, Owner-Occupancy, CAUV, Conveyance Fee, and Board of Revision rules. Every number reflects verified Ohio Department of Taxation amounts.

Homestead: $29,000 Enhanced Vet: $58,000 OAGI limit: $41,000 Assessment: 35% of market BOR filing: Free · DTE 1

Annual Tax Bill Estimator

OHIO

Applies Ohio's 35% assessment ratio plus your county's effective millage tier — the actual math your auditor uses.

Pick a county tier and enter your market value.

Homestead Reduction Calculator

DTE 105A

2026 Ohio Homestead: $29,000 general or $58,000 enhanced (100% disabled vet, KIA spouse). OAGI under $41,000 required for non-veteran applicants.

Pick your situation and enter your home value.

Owner-Occupancy & Non-Business Credits

DTE 105C

Every Ohio owner-occupied home qualifies for the 2.5% Owner-Occupancy Credit plus the automatic 10% Non-Business Credit. Most owners don't realize these stack.

Enter your annual tax to see both credit amounts.

Conveyance Fee Calculator

ORC 322

When you sell or transfer Ohio property, the auditor collects $1 state + up to $3 county per $1,000, plus $0.50 per parcel. Counties choose their rate.

Enter sale price and pick your county rate.

CAUV Agricultural Savings

DTE 109

Ohio's Current Agricultural Use Value cuts taxable value dramatically for farmland (10+ acres, or smaller with $2,500+ annual gross income).

Enter both market and CAUV values to see savings.

Mill Rate Converter

Ohio tax rates appear three ways on auditor sites: mills, percent, or dollars per $1,000. Convert between them instantly.

Enter a rate to see all three forms.

Parcel Number Cleaner

Ohio's 88 counties each format parcels differently — Franklin uses 010-123456-00, Cuyahoga uses 001-23-456, Hamilton uses 100-0001-0001-00. Auto-detects.

Paste any Ohio county parcel to format it.

35% Ratio Sanity Check

Ohio law sets taxable value at 35% of market value. If yours is significantly higher, you're a strong BOR appeal candidate.

Enter both values to compare against Ohio's 35% target.

BOR Appeal Savings

DTE 1

A successful Board of Revision complaint typically cuts your value 10–20%. Filing is free and stays in effect until the next reappraisal.

Enter your tax bill and reduction estimate.

BOR Deadline Countdown

MAR 31

Ohio's statutory Board of Revision filing deadline is March 31 for the prior tax year. Miss it and you wait until next year — no extensions.

Set your deadline to start the countdown.

Verify with the official Ohio source

These calculators use the verified 2026 Ohio Department of Taxation amounts and statutory rules. For your exact bill, exemption status, and county-specific deadlines, always confirm with your county auditor and the Ohio Revised Code:

Ohio Dept. of Taxation — Real Property DTE Forms (105A, 105C, 1, 109) ORC 5715 — Board of Revision ORC 5713 — Taxable Real Property ORC 322.02 — Conveyance Fee ORC 319.54(F)(3) — State Fee ORC 5713.30 — CAUV tax.ohio.gov — Main Portal

Estimates use Ohio's 35% statutory assessment ratio and effective tax rate tiers averaged across major Ohio counties. Your actual bill depends on local school levies, voted millage, inside vs. outside millage splits, House Bill 920 reduction factors (HB 920), and special assessments. The 2026 Homestead general amount ($29,000) and enhanced amount ($58,000) reflect HB 187 inflation indexing — your county auditor's office may show slightly different transitional figures. Nothing here is legal or tax advice. CountyAuditors.org is an independent informational directory, not affiliated with any county government.

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