Best Practices for FATCA and CRS Data Collection in Prime Brokerage

By Sean Sutton
10.06.2025
Read Time: 3 Minutes
prime brokerage, prime broker, tax compliance, FATCA, CRS, QI regime, client onboarding, tax reporting, FATCA compliance, CRS compliance, ATCA reporting, CRS reporting, Foreign Account Tax Compliance Act, Common Reporting Standard

Best Practices for FATCA and CRS Data Collection in Prime Brokerage

As global tax transparency initiatives continue to evolve, prime brokers face increasing pressure to comply with the Foreign Account Tax Compliance Act (FATCA) and the Common Reporting Standard (CRS). These regimes require financial institutions to identify, document, and report accounts held by reportable individuals and entities to the appropriate tax authorities.

For prime brokers, who often serve complex institutional clients such as hedge funds and other investment vehicles, FATCA and CRS compliance presents unique challenges. This article outlines best practices for effective due diligence data collection and information reporting under these frameworks.

 

Conducting FATCA and CRS Due Diligence

FATCA and CRS regulations prescribe due diligence requirements for Financial Institutions. These rules specify the necessary data points that need to be collected, verified, stored, maintained and then reported to the tax authorities:

  • Tax Residency Determination: 
    • Prime brokers must establish the tax residency of each client at onboarding. This involves collecting information on the client’s nationality, jurisdiction of tax residence, and legal classification (e.g., individual, entity, passive NFFE, financial institution).
  • Self-Certification Forms:
    • Clients of Prime brokers must complete IRS Forms W-9 (for FATCA) and self-certification forms for FATCA and CRS requirements. These documents are critical for confirming tax residency, tax identification numbers, and other personali identifiable information. This data helps determine whether the account is reportable and for applying the correct reporting rules.
  • Ongoing Monitoring: 
    • Due diligence doesn’t end at onboarding. Prime brokers must monitor for changes in circumstances(CiC), such as changes in ownership, address, or tax status that could affect a client’s tax classification and reporting obligations under FATCA or CRS.

 

Collecting and Maintaining Accurate Documentation

Best practice steps to ensure the above due diligence obligations are being met include:

  • Centralize Documentation Repositories: 
    • Maintaining a centralized, secure repository for all tax documentation ensures consistency and audit readiness. This includes storing self-certifications, entity classification documents, and any supporting evidence.
  • Validation and Expiry Tracking: 
    • Prime brokers should implement controls to ensure the completeness and accuracy of the validations for collected documentation. It is also important to ensure timely renewals when account information changes.
  • Audit Trails:
    • Maintaining detailed audit trails of data collection and classification decisions is essential for demonstrating compliance during regulatory reviews or audits. Ensure robust procedures are created and followed, and then reviewed and improved as changes to systems and processes evolve. Creating artifacts for audit purposes are critical to mitigate risk from regulators.

 

Reporting Obligations and Client Relationships

Once a firm is set up to collect the necessary documentation and follow best practices for the maintenance of accounts, they can then focus on transaction activity and annual reporting. Both CRS and FATCA have annual reporting obligations in the year following the transaction activity on their accounts. The reporting deadline changes by jurisdiction, but almost all reporting is to be completed between March 31 and September 31 of the year following the transactions. Best practices to follow to ensure accurate reporting include:

  • Identifying Reportable Accounts: 
    • Once clients are classified, prime brokers must identify which accounts are reportable under FATCA and CRS. This includes accounts held directly by reportable individuals or indirectly through passive entities with substantial U.S. ownership or foreign controlling persons.
  • Client Structures: 
    • Prime brokers often act as custodians for client accounts that may themselves be intermediaries or pooled investment vehicles. Understanding the underlying ownership and control structures is critical for accurate reporting.
  • Timely Reporting:
    •  FATCA and CRS reporting must be submitted annually to the IRS or local tax authorities, depending on jurisdiction. Prime brokers must ensure that all required data, such as account balances, account taxpayer details, account ownership, and payments of interest, dividends, and gross proceeds, are all accurately reported.

 

Integrating FATCA & CRS Compliance into Existing Systems Best Practices

  • System Integration:
    • FATCA and CRS compliance should be embedded into existing client onboarding, KYC, and account management systems. This reduces duplication, improves data quality, and ensures consistency across compliance functions.
  • Workflow Automation:
    • Automating workflows for data collection, validation, and reporting can significantly reduce manual effort and the risk of human error.
  • Cross-Functional Collaboration:
    • Compliance, operations, IT, and client service teams must work together to ensure that data flows seamlessly across systems and that compliance requirements are met without disrupting client experience.

 

Leveraging Technology Solutions Best Practices

  • RegTech Platforms:
    • Many prime brokers are turning to regulatory technology (RegTech) solutions to streamline FATCA and CRS compliance. These platforms offer features such as real-time validation, automated classification, and integrated reporting modules. This allows specialists at the prime broker to focus on more business related problems, relying on vendors to help ensure regulatory compliance is maintained.
  • Data Analytics:
    • Advanced analytics can help identify inconsistencies, flag high-risk accounts, and improve the accuracy of client classifications.
  • Scalability and Flexibility:
    • Technology solutions should be scalable to accommodate growing client bases and flexible enough to adapt to evolving regulatory requirements.

 

How Can TAINA Help Prime Brokers with FATCA and CRS Compliance?

FATCA and CRS compliance is a complex but essential component of the prime brokerage client lifecycle. By implementing best practices in due diligence, documentation, reporting, and technology integration, prime brokers can not only meet their regulatory obligations but also enhance operational efficiency and client trust.

TAINA offers a robust solution that automates and streamlines due diligence processes, ensuring compliance, accuracy, and efficiency. By adopting TAINA’s innovative solutions, prime brokers can enhance their compliance procedures and mitigate risks.

We would love to talk to you more about your current documentation validation process and how our award-winning FATCA and CRS Validation platform may add value to your organisation.

For more information on how our fully automated FATCA and CRS Validation platform can add value to your business, get in touch or request a demo to see it in action.

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