carry forward
US /ˈkæri ˈfɔːrwərd/
UK /ˈkæri ˈfɔːrwərd/

1.
to transfer an amount from one page or column to another, or from one accounting period to the next
:
•
We need to carry forward the balance to the next quarter's report.
•
The losses from last year will be carried forward to offset future profits.