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International Tax Modeling Tool

Key dates

Posted
May 26, 2026
Response deadline
Jul 17, 2026, 4:00 PM UTC
Archive date
—
Archive type
autocustom

Classification

Notice type
Sources Sought
Base type
Sources Sought
Set-aside
No Set aside used
Set-aside code
NONE
PSC
B506

NAICS

Issuing office

Department
TREASURY, DEPARTMENT OF THE
Sub-tier
INTERNAL REVENUE SERVICE
Office
DEPT OF TREASURY IRS
Office code
020.2050.203450
Organization type
OFFICE
Office address
KEARNEYSVILLE, WV, 25430, USA

Place of performance

Street
—
Street 2
—
City
Washington
State
District of Columbia
Zip
20011
Country
UNITED STATES

Contacts

Description

The Department of the Treasury, Internal Revenue Service (IRS), on behalf of the Cross Border Activities (CBA) Practice Area within the Large Business & International Division, is seeking information from industry on the capability to deliver a software solution that enables IRS personnel to model and analyze the application of international tax provisions under the Tax Cuts & Jobs Act (TCJA) of 2017, the One Big Beautiful Bill Act of 2025 (OB3), and pre-existing tax law. The scope includes not only development and delivery of the tool, but also comprehensive support services such as user training, ongoing maintenance, and eventual integration of the solution into IRS operations.

Attachments (2)

Other notices in this solicitation

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Metadata

Notice ID
c798a51a69bf4b45a471877a79acab20
Full path
TREASURY, DEPARTMENT OF THE.INTERNAL REVENUE SERVICE.DEPT OF TREASURY IRS
Office code
020.2050.203450
Ingested
May 27, 2026
Updated
Jul 11, 2026