Vendor Identity
Legal business name, DBA, entity type, federal Employer Identification Number (EIN) or SSN for sole proprietors, and primary contact details used to verify identity and tax reporting.
Use a Supplier Information Form to reduce onboarding delays, standardize vendor data, verify tax and insurance statuses, and document payment terms. Consistent forms support audit readiness, simplify compliance checks, and lower operational risk in procurement and accounts payable workflows.
Procurement, accounts payable, vendor managers, and compliance teams commonly request and review Supplier Information Forms during onboarding and contract setup.
Completed Supplier Information Forms become a reference for audits, vendor audits, performance reviews, and recurring supplier risk assessments.
Legal business name, DBA, entity type, federal Employer Identification Number (EIN) or SSN for sole proprietors, and primary contact details used to verify identity and tax reporting.
Preferred payment method, banking details for ACH or wire transfers, remittance address, payment terms, and invoice submission instructions including early-payment discounts or withholding instructions to prevent delays.
W-9 or tax forms, backup withholding status, exemption certificates, and any diversity or vendor classification that affects contracting and tax treatment.
Certificates of insurance, policy numbers, coverage limits, effective dates, and any required endorsements naming the buyer as additional insured and waiver of subrogation where applicable.
Industry-specific licenses, safety or environmental certifications, quality management attestations, and government contracting registrations such as SAM registration or contractor licensing as applicable.
Name and title of authorized signatory, corporate resolution or power of attorney if needed, and contact method to confirm signing authority before contract execution to avoid invalid agreements.
| Workflow Field and Configuration Table | Set per company policy and buyer requirements |
|---|---|
| Authentication Method for Signing Session | Email link default; use SMS or KBA for high-risk vendors |
| Field Validation and Formatting Rules for Inputs | Require numeric TIN, MM/DD/YYYY date format, conditional fields |
| Document Retention and Archive Policy for Forms | Auto-archive signed form to document management system for seven years |
| Notification Routing and Approval Rules for Procurement and Finance | Route to procurement, then AP; notify vendor on acceptance or rejected |
Digital signing and distribution require integrations, document format compatibility, and appropriate authentication methods for legal validity.
Submit immediately when requested by payer to avoid payment delays.
Complete before vendor receives purchase orders or payments.
W-9 provided on request; 1099-NEC recipient reporting due Jan 31.
Typical buyers process within 3–10 business days after complete submission.
Revalidate annually or when company details change to maintain compliance.
| Document Type Comparison: Supplier Info vs W-9 | Supplier Information Form | W-9 |
|---|---|---|
| Purpose | vendor onboarding | tax id collection |
| Form used for | vendor onboarding | irs tax certification |
| Contains payment details | ||
| Typical signer | vendor rep | payee |
| 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 and Trial Terms | 7-day free trial, no credit card required | Varies by vendor | Varies by vendor | Varies by vendor | Varies by vendor |
| Bulk Send | Yes | Yes | Yes | Yes | No |
| Audit Trail | Yes | Yes | Yes | Yes | Yes |
| HIPAA Compliant | Yes | Yes | Yes | No | No |