Vendor identity
Legal name, DBA, entity type (corporation, LLC, sole proprietor) and business classification used for contract and tax purposes.
A complete, accurate form speeds vendor onboarding, ensures correct tax reporting, reduces backup withholding risk, and documents compliance checks that protect both parties during procurement and payment processes.
Completing this form accurately at the start of the relationship reduces downstream corrections, supports 1099 reporting, and improves payment timeliness.
Legal name, DBA, entity type (corporation, LLC, sole proprietor) and business classification used for contract and tax purposes.
TIN/EIN or SSN, W-9 request acknowledgement, backup withholding status and certification to support IRS reporting requirements.
Remittance address, preferred payment method (ACH, check), bank account info or instructions for invoicing and payments.
Proofs such as insurance certificate, W-9 attachment, conflict-of-interest statements, and any required regulatory licenses or certifications.
Name, title, and contact info for individuals authorized to sign contracts or change payment instructions on behalf of the vendor.
Space to attach W-9, insurance declarations, business license, certificates, and any contract exhibits required by the buyer.
| Field | Configuration |
|---|---|
| Required fields | Make legal name, TIN, remit address required |
| Attachments | Require W-9 and insurance proof as PDF uploads |
| Approval routing | Route to procurement then AP for signoff |
| Notifications | Email alerts for missing fields and approval steps |
Ensure the chosen platform provides tamper-evident audit trails and secure storage to meet internal and regulatory audit requirements.
Provide W-9 upon payer request; no federal filing deadline
Typical internal review: 3–7 business days
ERP vendor record typically active in 5–10 business days
1099-NEC to recipient and IRS by Jan 31
Allow 7–14 days for corrections and re-verification
A midmarket manufacturer reduced invoice payment time by digitizing onboarding and collecting W-9s up front
A healthcare clinic added a BAA and proof of insurance to vendor registration
| 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 (Business Premium) | Varies by plan | Varies by plan | Varies by plan | Varies by plan |
| Audit Trail | Yes | Yes | Yes | Yes | Yes |
| HIPAA Compliant | Yes (BAA available) | Yes | Yes | Varies | Varies |
Often responsible for verifying vendor qualifications, insurance, and contract terms; they approve onboarding to ensure supplier meets purchasing policies and vendor risk criteria.
Validates W-9 and remit details, confirms payment method, and authorizes vendor creation in ERP systems so invoices route correctly and payments are issued.
Vendor returns completed form and required attachments.
Procurement verifies compliance documents and insurance.
AP confirms TIN, W-9 accuracy, and backup withholding status.
Vendor record and payment terms entered into accounting system.