PO Number
Unique identifier for matching invoices and tracking fulfillment across procurement, shipping, and accounting systems; critical for audit trails and automated workflows.
Purchase orders create an auditable record of commitments, standardize approvals, and protect budget controls. They reduce invoice mismatches, set delivery expectations, and provide evidence of contractual terms when resolving disputes.
Typical users include procurement teams, accounts payable, project managers, and approved signatories responsible for commitments.
Unique identifier for matching invoices and tracking fulfillment across procurement, shipping, and accounting systems; critical for audit trails and automated workflows.
Legal name, tax ID or EIN, contact info and remit-to address used for vendor setup, tax reporting, and potential backup withholding verification.
Detailed descriptions, SKUs, quantities, unit prices, and totals; accurate line items prevent disputes and support receiving inspection.
Ship-to address, required delivery date, packaging requirements, and point of contact to reduce shipping errors and claims.
Net terms, early-payment discounts, and invoice submission instructions; these govern payment timetables and cash-flow planning.
Evidence of approval by an authorized buyer representative; signature, printed name, title, and date confirm authorization scope.
| Field | Configuration |
|---|---|
| Approval Order | Sequential routing by dollar threshold and role |
| Auto-numbering | System-generated PO numbers to avoid duplicates |
| Tax Calculation | Auto-calc sales or use tax by jurisdiction |
| Signature Authentication | Email link, SMS code, or stronger KBA |
Confirm the document formats and integrations your systems need before issuing electronic POs.
Ensure your platform supports secure storage, audit logs, and the integrations required to automate matching and payment.
Vendor should acknowledge within agreed SLA; commonly 24–72 hours.
Specified on the PO; missed dates may allow remedies or penalties.
Vendor submits invoice per PO instruction, often within 30 days of delivery.
Based on terms such as Net 30, Net 60 from invoice date.
Contract should state how long parties have to dispute charges.
Buyer creates requisition and supporting details for review.
Authorized approver signs or routes the PO for issuance.
Buyer transmits the PO to vendor and records issuance.
Vendor ships goods or delivers services; buyer inspects and accepts.
| Criteria | Purchase Order | Invoice |
|---|---|---|
| Primary Purpose | authorize purchase | request payment |
| Issued By | buyer | seller |
| Timing | before delivery | after delivery or service |
| Matching Use | used to match invoices | used to trigger payment |
| 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 trial | Varies | Varies | Varies | Varies |
| Bulk Send | Yes | Yes | Yes | Yes | No |
| Audit Trail | Yes | Yes | Yes | Yes | Yes |
| HIPAA Compliant | Yes | Yes | Yes | No | No |