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Recommendation for Migration with Document
Splitting 
Migration with document splitting is a complex scenario. This complexity increases when more than one characteristic is relevant for document splitting. During the conception phase of New General Ledger Accounting and while planning your migration project, you need to ensure that the characteristics relevant for document splitting have been defined uniquely and completely.
We recommend that you make the following settings for document splitting:
● Activate document splitting from the beginning and perform a corresponding migration to such a scenario. You should design your scenario in New General Ledger Accounting in such a way that covers your internal and external reporting requirements in General Ledger Accounting.
● If it is not yet foreseeable whether or not a characteristic may in future become relevant for document splitting, you should consider including it in your scenario from the outset but without using it in your business processes until the moment when it becomes relevant. Until that time, you work with default account assignments. However, the inclusion of characteristics in your scenario should not occur randomly; this needs to be checked carefully beforehand.
● Ensure that the document splitting characteristics cannot be changed after the migration has been performed. This is necessary because the document splitting information is updated on the basis of the document splitting characteristics set at the time of the migration. If any of the document splitting characteristics were to be changed, the data would no longer be compatible and consistent.
