Field help (GDRMGT) 

If the box is not checked, the management of generic rounds is not activated. Rounds can be created without round code or with a generic round code.

If the box is checked, the management of generic rounds is activated.
The shipping rounds thus created refer then to the Generic Round table.
Then, the DOs can have the same generic round code via the customer table. Consistency checks are carried out upon creation of the generic round on the basis of the maximum values stipulated for the generic round.