Your price matrix data is kept within the inspection even if the price matrix gets unassigned from the inspection type.

For example, you created an inspection of a type assigned to a specific price matrix and selected a price matrix panel in the inspection wizard.

If you assign another price matrix to this inspection type, the new price matrix will be added to the inspection wizard, but the panels selected for the unassigned price matrix will also remain.

Note You cannot edit the data of the price matrix that was unassigned from the inspection type.