The U.S. Census Bureau’s Interagency and Other Special Agreements (IOSA) program provides a formal framework for collaborating with federal agencies, state and local governments, nonprofit organizations, academic institutions, and, in some cases, private entities. These agreements allow the Census Bureau to share data, conduct research, provide statistical services, and perform specialized projects while complying with federal laws and confidentiality requirements.
Purpose of IOSA
IOSA agreements are designed to:
- Share information and data for statistical purposes.
- Provide specialized services and expertise.
- Conduct joint research and statistical projects.
- Acquire administrative data from other organizations.
- Coordinate programs and resources efficiently.
- Reduce duplication of effort among government agencies.
Main Types of IOSA Agreements
1. Reimbursable Agreements
A reimbursable agreement is used when the Census Bureau performs work or provides services for another organization and receives payment to cover its costs.
Examples include:
- Conducting specialized surveys.
- Producing custom statistical analyses.
- Performing demographic studies.
- Providing technical support related to census data.
The requesting organization reimburses the Census Bureau for the costs associated with the project.
2. Data Acquisition Agreements
The Census Bureau frequently needs administrative records and datasets from other agencies and organizations.
Under a data acquisition agreement:
- Another organization provides data to the Census Bureau.
- Data may be supplied at no cost or with reimbursement.
- The information is used for statistical purposes only.
- Confidentiality protections under Title 13 of the U.S. Code apply.
Examples of acquired data include:
- Tax records.
- Employment records.
- Housing information.
- Administrative program records.
3. Joint Statistical Projects
These agreements are used when the Census Bureau and another organization jointly conduct statistical research.
Key characteristics include:
- Both parties contribute resources.
- Costs are shared equitably.
- Both parties participate in project design and execution.
- The project serves a legitimate statistical purpose.
Examples include:
- Research on economic trends.
- Population studies.
- Methodological improvements to surveys.
- Statistical modeling projects.
How the IOSA Process Works
Step 1: Identify a Need
A federal agency, state government, university, nonprofit organization, or other partner identifies a need for:
- Census Bureau expertise,
- Census data resources,
- Statistical analysis,
- Data sharing, or
- Collaborative research.
Step 2: Develop the Agreement
Both parties negotiate:
- Scope of work.
- Objectives.
- Deliverables.
- Schedule.
- Funding arrangements.
- Legal authorities.
- Data protection requirements.
Step 3: Legal and Policy Review
The Census Bureau reviews the proposed agreement to ensure compliance with:
- Title 13 of the U.S. Code.
- Federal privacy laws.
- Financial management requirements.
- Department of Commerce policies.
Step 4: Funding and Approval
If funding is involved:
- Budget estimates are prepared.
- Funding sources are verified.
- Authorized officials approve the agreement.
- Signatures from both parties finalize the arrangement.
Step 5: Project Execution
The Census Bureau then performs the agreed work, which may include:
- Survey operations.
- Data processing.
- Statistical analysis.
- Data integration.
- Research activities.
- Production of reports and estimates.
Step 6: Monitoring and Cost Tracking
The Census Bureau monitors:
- Project progress.
- Expenditures.
- Deliverables.
- Compliance requirements.
Federal audits have emphasized the importance of cost monitoring and agreement management throughout the project lifecycle.
Step 7: Project Closeout
After completion:
- Deliverables are provided.
- Financial reconciliation occurs.
- Remaining balances are settled.
- The agreement is formally closed.
Legal Authority Behind IOSA
IOSA agreements operate under several federal authorities, including:
- Title 13 of the United States Code (Census Bureau authority).
- The Economy Act, which permits federal agencies to obtain goods and services from other federal agencies.
- Department of Commerce regulations and policies.
Benefits of IOSA
IOSA agreements provide several advantages:
- Better use of government resources.
- Reduced costs through collaboration.
- Improved statistical quality.
- Access to additional data sources.
- Enhanced research capabilities.
- Faster development of government statistics.

The Census Bureau’s IOSA program is a structured mechanism that allows the agency to collaborate with other organizations through three primary arrangements: reimbursable agreements, data acquisition agreements, and joint statistical projects. The process involves planning, legal review, approval, project execution, monitoring, and closeout. These agreements help the Census Bureau obtain data, provide services, and conduct research while maintaining strict confidentiality and compliance with federal law.













