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Low Level code in Manufacturing

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Posted on by October Sky

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Is the Low Level code (LLC) a requirement in deep levels for Bill of Materials in Business Central. BC seems to run fine without it.

We have some deep level whereby there will be up to 10 levels in a Bill of materials. Would it be best to have LLCs utilised in such a case?

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Ramesh Kumar 7,557 Super User 2026 Season 1 on at

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I think purpose of Low-Level Code (LLC): The LLC helps define the hierarchy of components in a BOM by assigning a "level" to each part or sub-assembly.

Thanks!

Ramesh

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YUN ZHU 101,126 Super User 2026 Season 1 on at

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Hope the following can give you some hints.

https://www.youtube.com/watch?v=JF4vj1u-yhU

Thanks.

ZHU

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Jainam M. Kothari 16,538 Super User 2026 Season 1 on at

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Hello,

In Business Central, the Low Level Code (LLC) is not strictly required for the system to function, but it plays a crucial role in optimizing Material Requirements Planning (MRP) and other planning processes. The LLC helps the system understand the hierarchy of items in a Bill of Materials (BOM), ensuring that components are planned and processed in the correct order.

For deep levels of BOMs, such as those with up to 10 levels, utilizing LLCs can significantly improve the efficiency and accuracy of your planning processes. It ensures that the system correctly identifies the sequence in which items need to be produced or procured, reducing the risk of delays and errors in production.

In summary, while Business Central can run without LLCs, using them is highly beneficial, especially for complex BOMs with multiple levels. It helps streamline your operations and ensures that all components are available when needed.

May this can help : https://archerpoint.com/calculating-low-level-code-in-business-central-for-mrp/

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Khushbu Rajvi. 22,433 Super User 2026 Season 1 on at

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Hope this helps as well: https://www.youtube.com/watch?v=JF4vj1u-yhU

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Gerardo Rentería Ga... 26,802 Most Valuable Professional on at

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Hi, good day
I hope this can help you, and give you some hints.

The Low-Level Code in Microsoft Dynamics NAV | Olof Simren - Microsoft Dynamics NAV & 365 Business Central Blog

What is a Low Level Code (LLC)? - Dynamics 365 Business Central

Calculating Low Level Code (LLC) - Dynamics 365 Business Central

Best Regards
Gerardo

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