Tax1099S

As a tax document issuer you collect the data elements shown below into either a flat or tree structure.

 

You then populate the applicable FDX object, serialize it to JSON, and
distribute the JSON in up to 4 ways.

(1) File download or (2) API

(3) Printed document with QR code

(4) PDF file with embedded JSON


FDX / Data Structures / Tax1099S
Form 1099-S, Proceeds From Real Estate Transactions, from FILER (1st-9th boxes as issuer) to TRANSFEROR (10th-17th boxes as recipient)
Extends and inherits all fields from Tax  
Tax1099S Properties
#IdTypeDescription
1accountNumberstringAccount or escrow number
2dateOfClosingDateString
3grossProceedsnumberBox 2a, Total gross proceeds
4cashProceedsnumberBox 2b, Cash gross proceeds
5digitalAssetProceedsnumberBox 2c, Digital asset gross proceeds
6addressOrLegalDescriptionstringBox 3, Address or legal description
7realEstateTaxnumberBox 4, Buyer's part of real estate tax
8receivedOtherConsiderationbooleanBox 6, If checked, transferor received or will receive services or property (other than cash, notes, or digital assets) as part of the consideration
9foreignPersonbooleanBox 7, If checked, transferor is a foreign person (nonresident alien, foreign partnership, foreign estate, or foreign trust)
10digitalAssetCodestringBox 8a, Code for digital asset received as consideration
11digitalAssetNamestringBox 8b, Name of digital asset received as consideration
12unitsstringBox 8c, Number of digital asset units received as consideration
13digitalAssetDateReceivedDateString
Tax1099S Usage:

FDX Tax Schema and Model Files

A copy of the FDX tax schema files (yaml) and related model files in csharp, java, python, ruby, and typescript languages are available at this private GitHub repository:

https://github.com/iTipsDev/fdx-tax-schema-v6.6.0

We will make this repository available to developers implementing Financial Data Exchange (FDX) JSON in their applications. Just send your GitHub user email and company name to info@taxdataexchange.org to be granted access.

SDK (Java Software Development Kit)

A java SDK is available to generate Tax1099S documents as:

See this GitHub page and contact us at info@taxdataexchange.org to license the SDK.

SDK

Docker Image

A Docker image is available to generate Tax1099S documents as:

See this page and contact us at info@taxdataexchange.org to license the Docker image.

Docker

© Copyright 2026. All Rights Reserved. (www)