Under the Notice Board CPT, the notice category will be selected on Add New Notice Board but the user can change the category.
First will do this on the demo server.
Let me know if you have any query.
Created this task
Task assigned to Prashant Patil
New link custom-js-on-new-post-page was added.
New link custom-js-on-new-post-page-module was added.
Global Module: To put the JS code in the metabox
JS to select default category on the ADD NEW POST page only
Changed the status to signed-off