That Booking date determines the point in time at which the document is Journal entry is recorded in the system. When creating incoming or outgoing invoices, the due date automatically calculated on the basis of the terms of payment stored in the invoice.
The posting date of an invoice can differ from the assigned due date. If, however, the difference between these two dates exceeds the value specified in the "Deviation in days" tolerance, there is no automatic adjustment.
The due date is always calculated based on the posting date. At the same time, the posting date serves as an identifier in the voucher journal, as it indicates the time at which the journal entry was made in the system.
By default, the posting date corresponds to the current date when a voucher is created. However, it can be adjusted manually. Please note that changes to the posting date affect the consecutive sequence of Document numbers and associated data.
In Fixed assets for SAP Business One, asset postings are made on this date. The posting date is transferred to the general ledger in SAP Business One. The corresponding posting period must be open in SAP Business One.