PO Number
Unique identifier used for tracking, matching invoices, and audit records.
A complete purchase order improves order accuracy, speeds fulfillment, and creates a clear contractual reference for invoicing and dispute resolution. It supports auditability, inventory planning, and compliance with internal procurement controls while reducing phone- and email-based order errors.
Procurement, accounts payable, project managers, and buyers across commercial and public organizations prepare purchase orders to centralize purchasing.
The document also serves sellers and warehouse teams as the primary fulfillment and billing instruction when accepted by the vendor.
Unique identifier used for tracking, matching invoices, and audit records.
Full legal names, addresses, and contact persons for order management.
Quantity, unit description, unit price, SKU or part number, and extended line totals.
Ship-to address, requested delivery date, and shipping method or Incoterm if applicable.
Net days, discount terms, and invoicing instructions to align with AP processes.
Name, title, and signature block confirming buyer authorization to order.
| Field | Configuration |
|---|---|
| Approval chain | Sequential approvers with thresholds by line-item value |
| Notifications | Email and optional SMS alerts for pending approvals |
| ERP integration | Map PO fields to your ERP (NetSuite, Oracle, SAP) |
| Vendor delivery | Automatic PDF or XML dispatch to vendor systems |
Choose a delivery and signing method that matches vendor capability and legal requirements.
Ensure the chosen approach preserves an audit trail (timestamps, IP, signer identity) and meets any industry-specific authentication obligations.
Start of obligations and delivery countdown
Date vendor should fulfill the order
Customer acceptance or receiving report date
Vendor should reference PO number on invoices
Based on payment terms stated on the PO
| Criteria | Purchase Order | Sales Order | Invoice | Contract |
|---|---|---|---|---|
| Purpose | authorize purchase | confirm sale | request payment | define long-term terms |
| Timing | pre-delivery | post-acceptance | after delivery | before or during engagement |
| Binding status | yes when accepted | payment obligation | yes, broad obligations | |
| Typical sender | buyer | seller | seller | either party |
| 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 | Yes, limited | Yes, limited |
| Bulk Send | Yes | Yes | Yes | Yes | No |
| Audit Trail | Yes | Yes | Yes | Yes | Yes |
| HIPAA Compliant | Yes | Yes | Yes | No | No |
A regional retailer standardized PO templates to reduce order-entry errors by 40%
A construction general contractor attached lien waiver requirements to POs for subcontracted work