The difference between debit note and rejections out voucher is given below:
Debit Note
You can record a debit note to account in the following scenarios.
To account for goods returned to the supplier against a purchase.
To lower the value of the stock against a particular purchase, by entering only the amount.
A debit note can have both the quantity as well as the amount specified. The details entered in the transaction will reflect in accounting and inventory reports.
Rejection Out
You can record a rejection out voucher to return goods against a Receipt Note. This voucher can be used with or without selecting the tracking number. The rejection out voucher affects only the inventory reports.