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Business Central Item Costing Method, Replenishment and Reordering Policy Reference

The item card in Business Central holds a handful of fields that control how stock is valued and how planning behaves. This reference explains each option in plain terms so a consultant, planner or controller can pick the right value during setup.

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Item card field	Option	What it does	Typically fits
Costing Method	FIFO	Outbound cost is taken from the oldest inbound entry still on hand	Perishables, items with price drift, simple audit trail
Costing Method	LIFO	Outbound cost is taken from the newest inbound entry	Rare, only where local rules allow it
Costing Method	Specific	Cost follows the exact lot or serial number sold	High value serialized goods, requires item tracking on every transaction
Costing Method	Average	Unit cost is recalculated as a moving average per period or day	Commodity materials with frequent receipts
Costing Method	Standard	Items are valued at a fixed standard cost, differences go to variance accounts	Manufactured items where variance reporting is wanted
Item Type	Inventory	Tracks quantity and value in item ledger and value entries	Stocked goods and manufactured items
Item Type	Service	No inventory tracking, used on sales and purchase lines	Labor, freight, installation
Item Type	Non-Inventory	No quantity tracking, but can be bought and sold with a cost	Consumables expensed on receipt
Replenishment System	Purchase	Planning suggests purchase orders for the item	Bought components and trading goods
Replenishment System	Prod. Order	Planning suggests production orders using the production BOM and routing	Manufactured items
Replenishment System	Assembly	Planning suggests assembly orders using the assembly BOM	Simple kits and light assembly
Replenishment System	Transfer	Planning suggests transfer orders from another location through stockkeeping units	Multi-location distribution
Reordering Policy	Fixed Reorder Qty.	When projected stock falls to the reorder point, order the fixed reorder quantity	Stable demand, items with set pack sizes
Reordering Policy	Maximum Qty.	When projected stock falls to the reorder point, order up to the maximum inventory	Replenish-to-level items, min-max stock
Reordering Policy	Order	Create a supply order for each demand line, linked one to one	Make-to-order and project items
Reordering Policy	Lot-for-Lot	Supply is planned to cover demand inside the time bucket, with optional safety stock	Most MRP driven manufactured items
Reordering Policy	(blank)	Item is not planned by the planning worksheet or requisition worksheet reordering logic	Items handled manually
Manufacturing Policy	Make-to-Stock	Production orders are planned from forecast and stock levels	Repetitive or catalog products
Manufacturing Policy	Make-to-Order	Production orders are created for each demand, with lower level components also made to order	Configured and engineered products
Order Tracking Policy	None	No order tracking links are created	Low value items
Order Tracking Policy	Tracking Only	Links between supply and demand are shown, no action messages	Reference visibility
Order Tracking Policy	Tracking & Action Msgs.	Links are shown and the system proposes changes to existing orders	Items managed by MRP
Reserve	Optional	Users can reserve manually on demand lines	General use
Reserve	Always	The system reserves automatically where stock exists	Scarce stock with a firm allocation rule

Options are listed as they appear on the item card and stockkeeping unit card in current Business Central versions. Costing method changes on items with entries are restricted, so decide the method before go-live.

Planning parameter review

Optionally ask for a read-only review of reorder points and lead times from your ERP history.

Optional. The tool and every export work without this. No spam.

How to use the reference

Filter by the item card field name you are configuring, for example Reordering Policy, and read each option with its typical fit. Combine this with your item categories: purchased raw materials may use Lot-for-Lot and Purchase, while engineered products use Order and Make-to-Order. Export the list and add a column for the choice you make per item category, then use it as the basis of your item template configuration.

Costing method decisions

Costing method controls how the cost of goods sold is determined. Standard costing needs a maintained standard cost and a periodic roll-up, but gives variance visibility. Average costing is the simplest for purchased materials. FIFO is intuitive for finance but requires cost adjustment to flow properly. Specific costing requires item tracking on every inbound and outbound line, so use it only where the business really tracks cost per serial or lot.

Pick a default per item category and put it in an item template
Run the Adjust Cost - Item Entries batch job on a regular schedule
Test a purchase, consumption and sale before changing method on live items

Planning options and how they interact

Reordering Policy only matters when the replenishment system is set. A manufactured item with Prod. Order replenishment and Lot-for-Lot policy gets production proposals in the planning worksheet. Add a production BOM and routing, otherwise the planning run cannot explode components. Order Tracking Policy decides whether you see action messages. Safety stock and lot accumulation period shape the quantities that are suggested.

Common mistakes

Leaving Reordering Policy blank on items you expect to be planned is the most frequent mistake, as is choosing Maximum Qty. without a maximum inventory value. Another is setting Make-to-Order for items that actually have a stock buffer. Finally, changing costing method after posting creates confusion in the value entry history, so settle it early.

Frequently Asked Questions

Which costing method is best in Business Central?

There is no single best one. Standard fits manufacturers who want variance analysis, Average suits commodity materials, FIFO suits many distributors, and Specific is for tracked, high value items. Match the method to how finance wants to see cost and how the item is received.

What is the difference between Maximum Qty. and Fixed Reorder Qty.?

Fixed Reorder Qty. orders the same quantity each time the reorder point is hit. Maximum Qty. orders whatever brings the projected stock up to the maximum inventory level, so the order size varies with how far stock has fallen.

Does Lot-for-Lot create orders per demand line?

No, that is the Order policy. Lot-for-Lot plans supply to cover net demand within a time bucket, optionally grouped by the lot accumulation period, so several demand lines can share one supply order.

Can I change the costing method on an item with entries?

Business Central restricts it because existing value entries were created under the old method. Plan the change as a controlled process with finance, ideally with a new item or a documented cutover, not as a casual edit.

If you want item setup reviewed against your actual consumption and lead times, we can analyze your ERP data on-premises and suggest planning parameters for a planner to approve.

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