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Oct 9
2 min read

Due diligence should be part of the tax-preparation workflow, not a last-minute checklist. It requires preparers to ask appropriate questions, evaluate the information provided, document required inquiries, and avoid treating software prompts as a substitute for professional judgment.


Due diligence begins with the interview

A strong interview process gives the preparer enough context to identify missing information and inconsistencies. When facts do not make sense together, the preparer should ask follow-up questions and document the explanation rather than simply selecting answers that clear a diagnostic.

The office should also define what happens when a client cannot or will not provide information needed to prepare an accurate return. A documented escalation process protects consistency and helps preparers understand when they need supervisory review.


Create a repeatable documentation standard

A tax office can strengthen its process by requiring preparers to document:

  • The questions asked when facts require clarification.

  • Documents reviewed and information supplied by the taxpayer.

  • How conflicting or incomplete information was resolved.

  • Required due-diligence forms and supporting workpapers.

  • Supervisor review when the preparer encounters an issue outside established procedures or competency.


Do not confuse software completion with compliance

Tax software can help identify missing fields, calculations, and diagnostics, but it does not know whether the taxpayer's facts are credible or complete. Office procedures should require preparers to understand why a question is being asked and what documentation supports the answer.

Training returns are useful because they allow preparers to practice the reasoning process before client pressure is involved. Offices can build scenarios around dependents, filing status, credits, self-employment income, documentation gaps, and rejected returns.


Supervision matters in a growing office

As an office adds preparers, the owner or ERO needs quality-control checkpoints. This can include return review thresholds, daily audits, diagnostic review, preparer coaching, access controls, and procedures for correcting repeated errors.

A documented due-diligence culture protects the taxpayer, the preparer, and the business. It also makes training more consistent because expectations are written rather than passed informally from one person to another.


Your next step with BRG Firm

BRG Firm provides training and operational support for tax professionals who want stronger compliance and office systems.


Educational content only. Services and recommendations depend on each client's facts and engagement. BRG Firm does not guarantee tax outcomes, funding approvals, credit outcomes, investment results, or business performance.

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