Microsimulation modeling and analytical support services

************************************************AMENDMENT 0003**********

The purpose of the amendment is to do the following:

To extend the response date to: August 19, 2025, EST 10am and advise

responses to questions will be provided via A0004.

ALL OTHER TERMS AND CONDITIONS REMAIN UNCHANGED.

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************************************************AMENDMENT 0002**********

The purpose of the amendment is to do the following:

To remove prior Attachments 9a and 9b in their entirety and revise with "Attachment 9a IDIQ Pricing Schedule Revised and Attachment 9b Deliverables Schedule Revised."

ALL OTHER TERMS AND CONDITIONS REMAIN UNCHANGED.

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This is a combined synopsis/solicitation for commercial services prepared in accordance with the format in FAR 12.3 as supplemented with additional information included in this notice. The incorporated provisions and clauses are those in effect through Federal Acquisition Circular (FAC) 2025-04.

THIS ANNOUNCEMENT CONSTITUTES THE ONLY SOLICITATION AND A SEPARATE SOLICITATION WILL NOT BE ISSUED. The solicitation number for this acquisition is 12-3198-25-R-0002 and is being issued as a Request for Proposal (RFP). The NAICS Code for this solicitation is 541611. The Small Business Size Standard is $24.5M. The requirement will be awarded as an Indefinite Delivery/Indefinite Quantity (IDIQ) Contract Type with Hybrid Task Order Contract Types to include the following: firm-fixed price (FFP), time and materials (T&M), or Labor Hour (LH). This requirement will be an Unrestricted Set-aside (Full and Open competition). Prospective Offerors are responsible for downloading the solicitation and any amendments from SAM.gov. The Government reserves the right to award a contract(s) without discussions if the Contracting Officer determines that the initial offer is providing the best value to the Government and discussions are not necessary.

PLEASE SEE ATTACHMENTS FOR FULL SOLICITATION TERMS AND CONDITIONS FOR 12-3198-25-R-0002