ITC Carry forward to next month


(Guest)
Dear Tax Professionals,
Please clarify my doubts Regarding the ITC cary forward on Tally Prime. our customer didn't file GSTR 1 within the due date so it is not reflected GSTR 2B but it is reflected on next month. inward is taken a current month on tally prime.
Please how to entry pass on tally prime to carry forward its ITC to next month