A registered person shall not be entitled to take input tax credit in respect of any invoice or debit note for supply of goods or services or both after the due date of furnishing of the return under section 39 for the month of September following the end of financial year to which such invoice or invoice relating to such debit note pertains or furnishing of the relevant annual return, whichever is earlier
As per the aforesaid provision, the time limit for taking input tax credit for the financial year 2018-19 is up to the filing of return (GSTR-3B) for the month of September 2019. The due date of filing of GSTR-3B for the month of September 2019 is 20th of October 2019. Thus, a taxpayer has the entire month of September 2019 at his disposal to carry out reconciliation of his books v/s return. On reconciliation between the return filed and the books, if he finds any difference then appropriate action is required to be taken by the taxpayer in the September 2019 month’s return.