Solicitations › TREASURY, DEPARTMENT OF THE › NAICS 519290

International Tax Modeling Tool

TREASURY, DEPARTMENT OF THE · Solicitation 26-22-APMO · NAICS 519290 · No Set aside used · Closed

Solicitation details

Solicitation number	26-22-APMO
Notice ID	c798a51a69bf4b45a471877a79acab20
Agency	TREASURY, DEPARTMENT OF THE
Sub-tier	INTERNAL REVENUE SERVICE
Contracting office	DEPT OF TREASURY IRS
NAICS code	519290
Product / service code (PSC)	B506
Set-aside	No Set aside used
Notice type	Sources Sought
Posted	26 May 2026
Response deadline	17 July 2026 (closed)
Place of performance	Washington, DC, USA

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.

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