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Understanding the Source of Funds report

Understand what the Source of Funds review shows, how to interpret the AI analysis, and what action to take next.

Written by Ula Moyse-White
Updated in the last 15 minutes

Overview

The Source of Funds review is generated automatically in Legl once a client has submitted their request. It presents the evidence your firm needs to assess the client's source of funds, surfacing the most important information first. A PDF report is also available for your records.


Where you will see this

  • The Source of Funds review is accessible from the client's Engage request in Legl, under the Source of Funds section.

  • It becomes available once the client has submitted their request.

  • The full PDF report is also available within the same section for download and record-keeping.


What the review contains

The Source of Funds review typically includes:

  • The client's declared source of funds and the amount they have accounted for

  • Whether the declared amount meets the transaction requirement

  • Any discrepancy between the declared amount and the transaction value, along with the client's explanation where one was provided

  • Bank statement evidence, either from open banking or a manually uploaded PDF

  • AI-extracted bank statement analysis, including regular income, large transactions, account balance trends, and higher-risk transaction indicators

  • Responses to any automated follow-up questions sent to the client (open banking submissions only)


Open banking vs manual PDF submissions

The review experience differs depending on how the client provided their bank data:

  • Open banking: includes the full AI analysis and any SoF Signals responses where high-risk transactions were detected and the client was asked to explain them.

  • Manual PDF upload: includes AI analysis where extraction was successful. Where analysis could not be completed, the review will display a message prompting manual review of the uploaded document. SoF Signals automated follow-ups do not apply to manual PDF submissions.


Understanding discrepancies

A discrepancy occurs when the client has not declared sufficient funds to cover the full transaction amount. Common reasons include:

  • The client is splitting funding across multiple people or accounts

  • Part of the funds will come from a third party, such as a family member

  • The client has not yet received all funds (for example, a property sale has not yet completed)

Where a discrepancy exists, the client's stated reason is shown in the review. Your firm should assess this reason and determine whether further information is required.


Automated follow-up questions (SoF Signals)

If Legl detected unusual or high-risk transactions in the client's open banking data, such as large cash deposits, cryptocurrency activity, or non-GBP transactions, it will have automatically sent the client follow-up questions. The client's responses are included in the review and form part of the evidence available to your firm. You do not need to have taken any action to trigger this.

ℹ️ Further guidance

See Understanding Source of Funds Signals for more detail on how this works.


What you need to do

  • Review the evidence and assess whether it is sufficient for your firm's AML obligations.

  • Where a discrepancy is present, review the client's explanation and determine whether additional information is needed.

  • Where AI analysis could not be completed, manually review the uploaded bank statement or supporting document.

  • Record your firm's determination in your case management system or internal records, in line with your firm's AML procedures. The Legl review is the supporting evidence. It does not update automatically to reflect your conclusions.


Important information

  • Legl does not verify or validate a client's stated source of funds. All compliance decisions sit with your firm.

  • The review surfaces the most critical information first. The full PDF is also available for your records.

  • Automated SoF Signals follow-ups apply to open banking submissions only. Manual PDF submissions do not trigger automated follow-up questions.

  • Where AI analysis could not be completed, the review will indicate this and prompt manual review.

  • Your compliance determination should be recorded in your firm's own systems. It does not feed back into the Legl review automatically.

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