Scope
Define accounts, tax returns, periods, and transactions to be audited and any out-of-scope items.
A written proposal reduces scope ambiguity, assigns responsibility, and records mutual agreement on procedures and fees. It supports compliance and document retention requirements and provides a defensible starting point if findings are disputed.
These parties ensure technical accuracy, budget alignment, and authorized sign-off before fieldwork commences.
Define accounts, tax returns, periods, and transactions to be audited and any out-of-scope items.
Describe sampling approach, substantive tests, reliance on internal controls, and data sources.
List key milestones including kickoff, fieldwork windows, draft report, and final delivery dates.
State reports, working papers, management letters, and any supporting schedules to be provided.
Specify fee structure (fixed, hourly, or phased), payment schedule, and reimbursable costs.
Include nondisclosure provisions, data handling responsibilities, and confidentiality exceptions.
| Field | Configuration |
|---|---|
| Authentication | Email link or SMS code; use multi-factor for high-sensitivity engagements |
| Templates | Save proposal template with standard sections and reusable tables |
| Conditional Fields | Show fee or scope fields only when relevant to the selected engagement type |
| Audit Trail | Enable IP, timestamp, and action logging for legal evidence |
Confirm that chosen eSignature platform supports required compliance standards, document formats, and the audit trail elements needed for regulatory review.
Confirm acceptance before scheduling fieldwork to avoid rework
Schedule based on client availability and tax return due dates
Typically delivered within 2–4 weeks after fieldwork completes
Issued after client response to draft comments and clearance of open items
Coordinate timing with statutory filing dates such as April 15 for Form 1040
| Criteria | Proposal | Engagement Letter | Audit Plan |
|---|---|---|---|
| Primary Purpose | offer | contract | execution details |
| Legal Standing | pre-contract | binding when signed | internal |
| Typical Signatories | client contact | authorized signatory | audit team lead |
| Timing | before engagement | at engagement start | during planning |
| signNow | DocuSign | Adobe Sign | PandaDoc | HelloSign | |
|---|---|---|---|---|---|
| Starting Price | $8/user/mo | $15/user/mo | $14/user/mo | $19/user/mo | $15/user/mo |
| Free Trial | 7-day free trial | Varies by plan | Varies by plan | Varies by plan | Varies by plan |
| Bulk Send | Yes | Yes | Yes | Yes | No |
| Audit Trail | Yes | Yes | Yes | Yes | Yes |
| HIPAA Compliant | Yes | Yes | Yes | No | No |
| Envelope Cap | No cap | 100 envelopes/user/year | Varies by plan | Varies by plan | Varies by plan |
The firm prepared a concise scope focused on property tax assessments and depreciation schedules, with a two-week fieldwork window.
BIS used a standardized proposal template to audit R&D tax credits and payroll allocations, including data request lists.
Typically provides technical approval for scope and methodology, certifies resource allocation, and signs where firm-level authorization is required to commence an engagement.
Usually the CFO, Controller, or other executive with contract authority; their signature binds the client to fees, timelines, and confidentiality terms.