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In Microsoft Dynamics 365 Business Central, both Service and Non-Inventory item types are used for items that are not physically stocked, but they serve different business purposes and behave differently in transactions and accounting.
Below is the practical difference.
Typical examples:
Consulting services
Installation charges
Maintenance contracts
Training services
Key characteristics
No inventory quantity is tracked.
Cannot be used in inventory planning or warehouse operations.
Used mainly in sales documents and service management scenarios.
Posting generates revenue entries, but no inventory value entries.
Accounting behaviour: When a Service item is invoiced:
Revenue is posted to the Sales Account defined in Posting Setu
No inventory accounts are involved.
Example posting:
No Cost of Goods Sold (COGS) or Inventory entries are created.
Office supplies resold to customers
Small consumables
Special-order items purchased and sold immediately
No inventory quantity tracking.
Can be used in both purchase and sales documents.
Costs can still be recorded when purchased.
Often used for direct buy-and-sell items.
Accounting behaviour: Posting can include cost recognition depending on configuration.
Purchase
Sale
Unlike inventory items, no inventory asset or COGS entries are created through inventory valuation, because the system does not maintain stock. Further: For the tabular understanding and use of Service and Non-inventory, please see the following guidance link of MS Learn:
https://learn.microsoft.com/en-us/dynamics365/business-central/inventory-about-item-types
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