Recurring Invoicing

I am useing Recurring Transactions for AR Invoices in SAP 8.81.

I need to execute the Invoices on the 25th of each months but posting date needs to be the 1st of next month.

For example execute August 25 but posting date is Sept1.

I can change the date in the execution screen to the 1st. Is there a way I can change the date for all 300 invoices to the 1st when executing or is it a one by one deal- hope not.