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The OT Process

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Other Transactions offer many unique opportunities for industry and government collaboration. Let's explore the entire Acquisition Innovation website to guide you through the possibilities.


“Acquisition innovation is critical to mission success. To attract revolutionary commercial companies that normally avoid the federal government, alternative acquisition practices that embrace risk are essential.”

Scott Ulrey
Deputy Director, DARPA Contracts Management Office

Years of Innovation

Unmanned aerial vehicles. Robotic servicing of space satellites. High-definition television and visual displays. All of these innovative technologies derived from Other Transactions, which are a special type of agreement between the government and private sector.

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More About OTs

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Here are two resources we've highlighted.


The Federal Government's "Other Transaction" Authority - Briefing Papers

Briefing Papers article on Other Transactions.

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GAO and Congressional Reports

Other Transaction (OT) Authority CRS

Congressional Research Service (CRS) Report for Congress on Other Transaction Authority, July 15, 2011.

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Other Transactions Resources

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Current Training

DARPA has trained many different agencies on the use of Other Transactions. These are the current training slides.

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Current Guides

Several agencies have authority to use Other Transactions, but this section provides DARPA’s official guidance.

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There’s so much to learn about Other Transactions. We curated some of the most helpful articles from a wide range of sources. Read on to expand your knowledge of Other Transactions!

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