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Definition

Invoice Approval Workflow

The structured routing of invoices to designated approvers based on rules before payment is authorized.

Definition

An invoice approval workflow is the defined series of steps an invoice follows to receive authorization for payment. Workflows typically include rules based on invoice amount, department, vendor, expense type, or cost center, with escalation paths for delayed decisions and delegation for absent approvers.

Why It Matters

Approval workflows enforce spending authority, maintain segregation of duties, and create accountability. Without structured workflows, invoices are approved inconsistently, creating audit risks.

Examples

Sequential approval

Invoice goes to department manager first, then to finance director for invoices over $5,000.

Parallel approval

An invoice for a cross-departmental project is sent to both department heads simultaneously for faster processing.

How Nexus AP Helps

Nexus AP supports sequential, parallel, and conditional approval workflows with mobile approvals, automatic escalation, and delegation for absent approvers.

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Frequently Asked Questions

How many approval levels should an invoice have?

Keep it minimal—1-2 levels for most invoices. More levels slow processing. Use amount thresholds to add levels only when needed.

What happens when an approver is out of office?

Best practice is delegation rules that automatically route to a backup approver, plus escalation timers for overdue approvals.

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