Comparison of GSTR-3B Vs GSTR-1: Importance & Report


    Goods and Services Tax (GST) is a comprehensive indirect tax system that was introduced in India on 1st July 2017. Under GST, businesses are required to file various tax returns to comply with the regulations. GSTR-1 and GSTR-3B are two such returns that businesses need to file periodically. GSTR-1 is a statement of all outward supplies made by the taxpayer, while GSTR-3B is a summary return containing details of all inward and outward supplies, tax liability, and input tax credit (ITC) claimed.

    Here we will compare GSTR-3B vs GSTR-1, discuss their importance, and the reports generated from each return. We will also explore the differences between the two returns and the significance of filing them accurately and timely.

    GSTR3-B Vs GST-1

    GSTR 3-B  – A taxpayer must file a GSTR – 3B monthly summary return by the 20th of the following month or the 22nd or 24th of the month after a quarter. It also includes a provision for the payment of taxes, if any, for the relevant month. GSTR-3B discloses supplies made during the month together with GST to be paid, input tax credit claimed, purchases on which reverse charge is applicable, etc.

    GSTR Reconciliation

    GSTR-1 – It is a monthly or quarterly return that taxpayers prepare to provide information about their outgoing supplies for the previous month as well as their tax liability. Here, invoice-wise information must be uploaded so that the government may monitor each transaction. This serves as the foundation for the supply recipient to accept the goods and claim the applicable input tax credit.

    Importance of GST-B Vs GSTR-1

    For the following reasons, it is essential to reconcile Form GSTR-3B with Form GSTR-1:

    Reconciliation At The Time Of Filing Of Annual Returns – A reconciliation of outward supplies is necessary when submitting an annual return in Form GSTR-9 to make sure that the information provided corresponds to the information provided in GSTR-1 and GSTR-3B for all months. The entire amount of taxes stated and paid in GSTR-3B must match the details of taxes paid throughout the year.

    Since the return-filing system is interconnected, it is crucial that GSTR-1 and GSTR-3B match because an incompatibility could lead to inappropriate disclosure in the annual report.

    Reasons For Mismatches In GSTR-3B Vs GSTR-1

    The following factors are the most frequent causes of the details given in Form GSTR – 3B and GSTR – 1 failing to match up:

    Action On Reconciliation Of GSTR-B Vs GSTR-1

    After considering the above circumstances, any differences in Form GSTR-1 and GSTR-3B that result in a shortage of tax paid by the supplier must be reimbursed along with interest.

    In order to prevent interest from accruing that would be due at a later time and to verify that both returns match, it is required to perform this reconciliation for each filing period.

    How Can Busy Help You?

    For the purpose of preparing GST returns, busy software makes it simple to import and download GST data. It offers a user a range of choices for ingesting data to generate the GSTR-1 or any other return quickly.

    For importing sales or purchase data into Busy accounting software, options include excel ingestion or direct interaction with ERP. The user only needs to import the sales information for GSTR-1 once. Based on this, the software instantly auto-populates the information into GSTR-3B with a click.

    You can use Busy gst accounting software for GSTR-1 and GSTR3-B reconciliation. It reduces the chances of future litigation. It helps avoid GSTIN Suspension: Outward supplies declared in GSTR-1 must match with the summary total of supplies declared in GSTR 3B. In case of mismatches, GSTIN may be suspended.

    Advantages Of GSTR-3B Vs GSTR-1 Tax Comparison Report

    Given below are some of the advantages of GSTR-3B Vs GSTR-1 Tax Comparison Report:

    Reconciliation Between GSTR-3B and GSTR-1 

    If any inconsistencies between Form GSTR-3B and GSTR-1 across months are discovered after taking into account the above situations. The taxpayer must pay the unpaid tax obligation plus any applicable interest or penalties.

    To ensure that the information provided reconciles, it is crucial to reconcile between GSTR-3B and GSTR-1 throughout each reporting period. Additionally, this will assist the taxpayer when submitting their annual GST return because the entire system for filing returns is interconnected under GST. Any discrepancy could result in fines, penalties, or even the termination of their GST registration.


    Both GSTR-1 and GSTR-3B are essential returns under the GST regime, and businesses need to file them accurately and timely to comply with the regulations. While GSTR-1 focuses on outward supplies made by the taxpayer, GSTR-3B provides a summary of all inward and outward supplies, tax liability, and ITC claimed. The reports generated from each return provide crucial information to businesses and the government for decision-making and analysis. 

    It is important for businesses to understand the differences between the two returns and the significance of filing them accurately to avoid any penalties or interest charges. Overall, compliance with the GST regulations can help businesses to maintain their credibility and reputation in the market.

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