Entity Details
Legal name, DBA, entity type, state of formation, and employer identification number (EIN) to establish tax identity and contractual party.
A complete application documentizes legal identity, tax identifiers, and security obligations, which accelerates provisioning and reduces risk during vendor onboarding. Proper completion supports accurate IRS reporting, helps avoid backup withholding, and establishes the record trail needed for audits and service agreements.
Organizations collecting this form include tax software vendors, payroll providers, accounting firms, and internal procurement or IT teams responsible for vendor onboarding.
Multiple stakeholders should review the completed form: accounting for tax ID checks, legal for contract terms, and IT for integrations and access provisioning.
Typically a corporate officer, partner, or owner who has signature authority under company bylaws or operating agreement. This signer commits the organization to licensing terms and tax reporting responsibilities and should be listed with title and contact information.
A designated employee or contractor authorized in writing to execute onboarding steps and accept technical terms. Delegated signers may grant user access but should not alter core legal terms without board or officer approval.
Legal name, DBA, entity type, state of formation, and employer identification number (EIN) to establish tax identity and contractual party.
Primary contact, billing contact, phone, email, and billing address to ensure invoices and notices reach the right parties promptly.
TIN/EIN or SSN collection for individuals and businesses; certification of TIN correctness to avoid backup withholding.
List of authorized users, role definitions (admin, preparer, reviewer), and multi-factor authentication requirements for secure access.
Privacy and security attestations, encryption requirements, and any HIPAA/FERPA handling instructions if the data includes protected information.
APIs, third-party connectors, and ERO/IRS e-file transmission capability required for live filing and automated workflows.
| Field Validation | Require TIN format and mandatory signature fields |
|---|---|
| Signer Order | Set sequential or parallel signing as needed |
| Authentication | Enable email code or SMS verification |
| Retention Policy | Automate storage and export for records |
| Notifications | Trigger reminders and completion notices |
Electronic submission should meet authentication, encryption, and interoperability requirements to be legally effective and verifiable.
Allow several business days for IRS TIN matching
Resolve incorrect TINs promptly to avoid 24% withholding
IRS e-file transmitter approvals can take weeks
Matches the Effective Date field on the application
Track licensing renewal or revalidation deadlines
Vendor confirms receipt and begins review
IRS matching and KYC checks occur
Accounts created and roles assigned
Testing complete; system moved to production
W-9, proof of EIN, business formation documents, and signed contracts to verify identity and tax status.
Export completed forms as PDF/A or PDF with embedded audit trail to preserve signature metadata.
Keep one signed copy in an immutable archive and one accessible copy for operations and audits.
Retain system logs and audit trails showing who accessed and signed the form.
| Criteria | Tax Software Application Form | Software License Agreement |
|---|---|---|
| Primary Purpose | onboarding & provisioning | license terms and payment |
| Execution Method | form + attestations | contract with signature |
| Typical Signers | accounting or ops | legal and cfo |
| Retention Focus | tax and identity records | contract and performance records |
| 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 |