Lapasar
Purchasing & Procure-to-Pay

Change Order

Also known as: Purchase order amendment

A change order is a formal amendment to an existing purchase order or contract that alters quantity, price, specification or delivery terms.

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Requirements shift after an order is placed — quantities change, specifications are revised, delivery dates move. A change order documents that variation and captures the agreement of both parties, keeping the purchase order accurate and the audit trail intact. Without it, receiving and invoice matching quickly fall out of step.

Controlling change orders is important because uncontrolled variations, especially on projects and construction, are a common source of cost overruns. A clear approval process for changes protects budgets and ensures amendments are authorised, priced and recorded properly.

Frequently asked questions

What is a change order?
A change order is a formal amendment to an existing purchase order or contract that alters quantity, price, specification or delivery terms, agreed and documented by both parties.
Why are change orders important?
They keep the purchase order accurate for receiving and invoice matching, maintain the audit trail, and control the cost overruns that uncontrolled variations can cause.

Explore related across the knowledge graph

GuideProcure-to-payThe operational cycle that turns an approved need into a purchase order, a delivery, a matched invoice and a payment.GlossaryDelivery Order (DO)A delivery order (DO) is a document issued by a supplier that accompanies a shipment and lists the goods being delivered to the buyer.GlossaryGoods in TransitGoods in transit are items that have been dispatched by a supplier but not yet received by the buyer, still moving through the supply chain.GlossaryGoods Received Note (GRN)A goods received note (GRN) is a document recording the goods actually delivered against a purchase order, used to confirm receipt before payment.GuideERP integrationConnecting the procurement channel to the ERP so requisitions, orders and invoices flow between systems without manual re-keying.SolutionAI Procurement Software in MalaysiaAI procurement software for Malaysian enterprises — AI spend categorization, price benchmarking, GL code detection and approver insights on a full workflow platform that also executes what it recommends through 10,000+ suppliers and owned fulfilment.SolutionCorporate Procurement Software in MalaysiaE-procurement for Malaysian enterprises: catalogue, approvals, spend analytics and ERP punchout — backed by vetted suppliers and owned fulfilment.SolutionDigital Procurement Platform in MalaysiaA digital procurement platform for Malaysian enterprises and GLCs — replace point tools and spreadsheets with one connected system for catalogue, approvals, spend and supply, backed by owned fulfilment across Peninsular Malaysia.TemplateGoods Received Note (GRN) TemplateAn Excel GRN to record and inspect deliveries, flag quantity variances and feed three-way matching.TemplateProcurement SOP TemplateAn editable Word and PDF standard operating procedure covering the buying process from requisition to payment.ComparisonBuild vs buy a platformBuild vs buy a procurement platform: why AI makes the ordering software easy to build, but the supplier network, pricing, credit and owned fulfilment underneath are the real decision.ComparisonFull-Service vs Facilitator Procurement ModelsTwo models of B2B procurement in Malaysia compared: full-service marketplaces with owned fulfilment vs facilitator, software-only platforms — and who owns the outcome.ComparisonLapasar vs e-procurement softwareLapasar and e-procurement software compared: an operating Malaysian marketplace versus workflow software for requisitions, approvals and purchase orders.ResearchThe Hidden Cost of Manual Procurement in Malaysian EnterprisesWhat manual purchase orders really cost Malaysian enterprises — USD 30–506 per PO, millions in hidden overhead, and new Government Procurement Act 2025 exposure.GuideCatalogue managementCurating the products, prices and data buyers order from — the foundation that makes catalogue and marketplace buying fast, accurate and compliant.
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