This had been removed by commit e1c95941, as most of the time it was
only being used to control writing of the diameter field. IATE does
require it, however, so it has been reinstated for that model.
This had been removed by commit e1c95941, as most of the time it was
only being used to control writing of the diameter field. IATE does
require it, however, so it has been reinstated for that model.