If this box is checked, the label type entered for the part will be printed. This box is checked by default. If the part's label type is NULL, the label type that is selected via the radio button will be printed. This means that you can print different label types in the same printout.
Example: Two parts are registered on manufacturing order 1438 - one with a selected transport label and one with a label. If you check this box, one transport label + one label will be included in the same printout.