From this point onwards在下面一句话中是什么意思?

From this point onwards在下面一句话中是什么意思?
In order to open a cash drawer a user need to specify a starting cash balance.This is the amount that a user has in his/her physical cash drawer and is also known as petty cash.From this point onwards,any cash amount collected as a result of a financial transaction will be added to the cash opening balance and any cash amount refunded will be removed from the cash opening balance.