In the Production Header, you can set the status for a BOM. There are 4 BOM status in Navision Production BOM.
1) New - Automatically set when you create a new BOM. Content in the BOM can be edited.
2) Certified - After you have confirm with the content of the BOM, you have to change the status to Certified. Only certified BOM can be used in Production Planning. Content in certified BOM cannot be changed. Usually, a new version of BOM will be created if changes are needed on the components.
3) Under Development - If you want to change the content of a certified BOM, you must change the status of the BOM to Under Development. After the changes have been done, change the status back to Certified.
4) Closed - The BOM no longer in use.