Indicates the sub-lot to be issued.
It is not necessary to enter it in the following cases:
If the product is managed with serial numbers, only this number is necessary to determine the stock to issue.
If this is not the case, the lot, sub-lot and location (depending on the management method for the product) are necessary.
There is no selection window for this field. The selection window is available on the lot field and makes it possible to choose the requested lot and sub-lot. When the lot is selected, the sub-lot it instantly initialized. Otherwise, it is also possible to enter a sub-lot number which does not exist. An information message will report it. Same remarks as for the lot number in this context.