Inventory Planning Policy Document Template
Plants run better when the rules for stocking are written down once. This template gives you a short inventory planning policy covering service targets, parameter reviews, adjustment limits and roles.
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Inventory Planning Policy Document Template
Inventory Planning Policy
Company: Acme Precision Ltd Site: Plant 1 Document: SCM-POL-004 Revision A Effective: 2026-11-01 Owner: Supply Chain Manager
1. Purpose and scope
This policy sets how Plant 1 plans, stocks and controls inventory held in SAP S/4HANA. It applies to raw material, components, purchased finished goods and spares.
2. Service targets
| Class | Target service level | Basis |
|---|---|---|
| A | 98 percent | Classified by annual consumption value |
| B | 95 percent | Classified by annual consumption value |
| C | 90 percent | Classified by annual consumption value |
3. Planning parameters
Reorder points, safety stock, lot sizes and planned lead times are maintained in SAP S/4HANA by the materials planner. Parameters are reviewed on a Quarterly cycle using actual demand and supplier receipt history. Changes to safety stock above agreed limits require manager approval.
4. Excess and obsolete stock
Stock with no demand for the period defined by management is reviewed for disposition: use, return, rework, sell, or write down. Reserves are agreed with Finance.
5. Inventory accuracy and adjustments
Cycle counts are performed according to the count schedule. Adjustments above 1,000 currency units per adjustment require documented approval before posting.
6. Roles
| Role | Responsibility |
|---|---|
| Materials planner | Maintains parameters, reviews exceptions |
| Buyer | Manages supplier commitments and lead times |
| Inventory control | Runs counts and investigates variances |
| Finance | Reviews valuation and reserves |
Approval
Starting point only, not legal or accounting advice. Replace the example targets and limits with values agreed in your own business.
Policy to ERP parameter check
Optional: a short review comparing your written policy with the parameters in your ERP.
Optional. The tool and every export work without this. No spam.
How to use the template
Fill in the company details, the service targets by ABC class, the review cycle and the adjustment limit. Export to Word to add sections specific to your business, such as consignment stock or customer-owned material. Circulate to planning, purchasing, operations and finance for agreement, then publish it in your document control system with a revision number.
What a good policy settles
A policy removes repeated arguments. It says who may change safety stock, how often parameters are reviewed, what happens to stock that has not moved, and when an adjustment needs a signature. Service targets tied to ABC class mean the plant buys protection where it matters and not for every part equally.
- Service targets by class, not one number for all
- A fixed parameter review cycle
- Named owners for excess, accuracy and adjustments
Connecting it to the ERP
A policy should map to ERP fields. Service targets become service level inputs to your safety stock method; the review cycle matches a scheduled report on MRP parameters; adjustment limits match workflow approvals on inventory postings. If a rule cannot be enforced or reported on in the system, rewrite it so it can.
Common mistakes
Policies that are too long are never read. Targets copied from a textbook that nobody agreed to are ignored. A policy without a review date goes stale. Keep it to two or three pages, agree the numbers with finance, and revisit it each year.
Frequently Asked Questions
Is this suitable for ISO 9001 or AS9100?
It can support the control of purchased material and inventory records, but certification requirements are set by your auditor and your own quality manual. Use the template as a draft and align it with your document control.
How long should the policy be?
Two to three pages is enough. Put detail in work instructions linked from the policy so the policy itself stays readable and stable.
What service targets are reasonable?
It depends on the business and the cost of holding stock. The example figures are illustrative. Agree real targets with sales and finance, using the cost of a stockout and the cost of carrying stock.
Who owns the policy?
Usually the supply chain or materials manager, with approval from operations and finance. Ownership should be a role, not a person, so it survives staff changes.
If you want the policy checked against how your ERP actually plans, we can compare the two and suggest changes. Ask for a review.
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