What is the maximum I’m allowed to trim in height and width on my interior doors?

What is the maximum I’m allowed to trim in height and width on my interior doors?

The maximum amount of trim available on the internal range of white oak doors is 5mm on all edges. Moulded and real wood veneer doors allow for 4mm along each vertical edge and 6mm off the bottom edge.  Please note - fire doors must not be trimmed on the top edge due to manufacturing identifications and the unique BWF-certifire label. 

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