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1099-B - Overview

A broker or barter exchange must file Form 1099-B for each person:

  • For whom, they sold stocks, commodities, regulated futures contracts, foreign currency contracts, forward contracts, debt instruments, options, securities futures contracts, etc., for cash,
  • Who received cash, stock, or other property from a corporation that the broker knows or has reason to know has had its stock acquired in an acquisition of control or had a substantial change in capital structure reportable on Form 8806, or
  • Who exchanged property or services through a barter exchange.

Note that some accounts may be considered exempt based on their US tax classification. (e.g., Corporation).

 

Deadlines

See below for the deadlines relevant to the Form 1099-B:

  • February 15th is the last day to deliver forms to recipients
  • March 31st is the last day to submit filings

If a deadline falls on a weekend or holiday, it will be extended to the next business day. A 30-day extension is generally available for both of the deadlines above. 

 

Resources

Please see the Form 1099-B – IRS Form & Instructions for official IRS information.

Below are the applicable CSV Ingestion Templates:

A sample form is also attached to the bottom of this article for your reference.

 

Data Requirements

See below for all of the required data elements for completing Form 1099-B reporting.

Filing Entity

The legal entity responsible for the issuing forms will be the filing entity. The information listed below must be submitted through the Taxbit Dashboard.

For more information on Filer setup, please refer to this guide: Filer Setup

Field Name

Required

Name

Required

Address

Required

Tax Residency

Required

US TIN

Required

Contact Phone Number

Required

Please note: If there are multiple filers, please ensure that you are using the correct filer ID for the associated account(s).

Account Owner / Account

For ingestion purposes, the only data point required to create/update an Account Owner is the Account ID. This allows you to add all of your users to the Dashboard, even while you may still be collecting additional information. There will be reports available in the Dashboard to let you know if something is missing for an Account that is eligible for a tax form.

For more information on formatting the Account Owner/Account CSV templates, please refer to this guide: Standard Account Owner/Account - CSV Ingestion Template Guide

The following table, however, summarizes the required fields needed to complete the Form 1099-B.

Field Name

Required

Account Owner ID

Only required if you have Account Owners with multiple Accounts

Account ID

Required

Name

Required

Joint Account Name

If Applicable

Address

Required

Tax Residency

Presumed US if unavailable

TIN

Required

Filer ID

Only required if you have multiple Filers

Note that there are other fields on the Account Owner / Account model that are not listed here, as they are not required for 1099-B reporting.

Form Data

For account activity, you will need to prepare the Form Data templates for each of the form types. These templates generally mirror the fields on the corresponding IRS form and should include the final aggregated amounts for reporting.

Note that a single Account may have multiple Form Data rows, one for each disposition.

Field Name

Covered

Noncovered

1256 Contracts

Account ID

Required

Required

Required

CUSIP Number

If Applicable

If Applicable

Not Applicable

Property Name

Required

Required

Not Applicable

Property Symbol (Description Of Property (Box 1a) - 1)

If Applicable

If Applicable

Not Applicable

Property Quantity (Description Of Property (Box 1a) - 2)

Required*

Required*

Not Applicable

Date Acquired (Box 1b)

Required

If Available

Not Applicable

Date Sold Or Disposed (Box 1c)

Required

Required

Not Applicable

Proceeds (Box 1d)

Required

Required

Not Applicable

Cost Or Other Basis (Box 1e)

Required

If Available

Not Applicable

Accrued Market Discount (Box 1f)

If Applicable

If Applicable

Not Applicable

Wash Sale Loss Disallowed (Box 1g)

If Applicable

If Applicable

Not Applicable

Ordinary, Short-Term or Long-Term Gain/Loss (Box 2)

Required

If Available

Not Applicable

Proceeds are from Collectibles or QOF (Box 3)

If Applicable

If Applicable

Not Applicable

Federal Income Tax Withheld (Box 4)

If Applicable

If Applicable

Not Applicable

Security is Noncovered (Box 5)

Required: FALSE

Required: TRUE

Not Applicable

Gross Proceeds or Net Proceeds Reported To IRS (Box 6)

Required

Required

Not Applicable

Loss Is Not Allowed Based On Line 1D Amount (Box 7)

If Applicable

If Applicable

Not Applicable

Profit Or (Loss) Realized In Current Tax Year On Closed Contracts (Box 8)

Not Applicable

Not Applicable

Required

Unrealized Profit Or (Loss) On Open Contracts - Dec 31 Of Prior Tax Year (Box 9)

Not Applicable

Not Applicable

Required

Unrealized Profit Or (Loss) On Open Contracts - Dec 31 Of Current Tax Year (Box 10)

Not Applicable

Not Applicable

Required

State Name (Box 14)

Only required if there is state withholding, or the income is applicable to a state that is different from the address state

State Id (Box 15)

If Applicable

State Tax Withheld (Box 16)

If Applicable

Bartering (Box 13)

Not Supported

*In certain scenarios, this field is not required. Only a warning will be raised if not provided.


SAMPLE-123_1099B_2024_0.pdf

2026_1099-B_Submission_Review_SAMPLE.zip