Best Practices for Purchase Order Management For legal operations in the EU, pre-approving spend using purchase orders is more than good hygiene, it is a compliance and billing safeguard. This guide outlines practices to keep PO workflows audit-ready, VAT-compliant, and fully optimized within Emburse Invoice Enterprise. By creating POs through a standardized requisition and approval process, your organization can reduce AP overhead, improve accuracy, and avoid post-transaction delays. Centralize PO Creation Why It Matters Dispersed PO creation leads to billing errors, budget leakage, and audit risk. How To Do It Use standardized PO templates that include Vendor Name Matter Number or Client Code Description Quantity and Estimated Amount VAT Category Budget Code Link each PO to a specific client engagement or internal cost center for transparency. Automate Approval Workflows Why It Matters Manual approval routing creates bottlenecks. How To Do It Configure tiered approval thresholds in Emburse Invoice Enterprise. Example: €1,000 = manager, €5,000+ = partner Ensure clear tracking of audit fields (submitted date and approved date) to monitor SLA metrics. Enforce Invoice Matching Why It Matters Invoice matching ensures vendors bill only for approved goods or services. How To Do It Require vendors to include PO numbers on all invoices. Enable 2-way or 3-way matching in Emburse Invoice Enterprise. 3-way: Use for physical goods and verifiable deliverables like IT hardware, office supplies, print collateral Catering, marketing deliverables, logistics Software licenses (per seat/per unit) 2-way: Use for services like Legal counsel, consultants, expert witnesses SaaS, research services, education/training Transcription, translation, agency fees Set variance rules (e.g., ±5%) to auto-flag mismatches. Ensure VAT and EU Compliance Why It Matters Errors in VAT classification can result in penalties or lost recoverables. How To Do It Assign VAT categories correctly per PO, especially for cross-border services. Retain all PO data and documentation for at least 7 years. Align with Legal Billing Models Why It Matters Aligning POs to client and matter codes supports accurate client billing and strengthens trust. How To Do It Map each PO to a client or matter code. Conduct monthly vendor or matter spend reviews for audit readiness. Provide Training and Support Why It Matters Knowledge gaps lead to compliance risk. How To Do It Include PO process training in new-hire onboarding. Run quarterly refreshers for AP, Legal Ops, and Procurement. Define escalation paths (e.g., AP Lead or Help Desk). Maintain Vendor Master Data Why It Matters Outdated vendor data causes delays and potential legal exposure. How To Do It Ensure the following vendor information is up to date: Legal Entity Name VAT Number IBAN Country/Region Enable Visibility and Forecasting Why It Matters Access to real-time data prevents overspending and supports budget planning. How To Do It Use Emburse dashboards to monitor Open POs Committed vs. actual spend Flagged exceptions Encourage teams to use PO data to plan future case/team budgets. Was this article helpful? Yes No