Section 50 of CGST Act- Interest on delayed payment of tax
20 Mar, 2026
By Online Legal India
Published On 20 Mar 2026
Category GST
Section 50 of CGST Act mainly outlines the compulsory interest about a delayed payment of tax. It also includes the wrongly utilised input tax credit claims. This usually has an 18% per annum interest for late payments and 24% for wrongful ITC usage. Every business owner or a tax professional needs to understand this section. This will help them to maintain compliance and avoids unexpected financial burdens. In this blog, you will learn about Section 50 of CGST Act.
Section 50 of CGST Act 2017 deals with the interest payments for delayed GST payments. This mainly has an 18% rate per annum. The rate is applied to the net cash liability. This means taxpayers pay taxes through an electronic cash ledger. The authorities can charge 24% per annum for wrongly utilised ITC. The interest is applicable automatically from the day after the due date.
Interest generally applies on net cash liability in delayed return filing cases (as per proviso to Section 50(1), retrospective amendment effective from 01-07-2017). However, this section suits taxes that taxpayers pay after the deadline, short pay, and wrongly availed and utilized Input Tax Credit (ITC) incorrectly.
Here is a key provision of Section 50 of CGST Act with amendments:
Taxpayers who do not pay GST on time will have to pay interest. The tax authority charges an 18% rate per annum for delayed payments of tax. In delayed return filing cases, interest is payable on the net cash portion of tax liability. You can do this from the electronic cash ledger, instead of the gross tax liability.
As per the 2024 amendment, it changed Section 50 (1) to include references to Section 74A. This is mainly effective from the date of November 1, 2024. It focuses on aligning with new audit and demand procedures. So, this is for returns that taxpayers file after the due date. The amendment expands the reference to include proceedings under Section 74A.
Here is an overview:
a) Timeline
It calculates interest from the day after the due date until the actual date of payment.
b) Relief
As per the 53rd GST Council recommendations, there will be no interest if sufficient ECL balance existed and delay was only return filing. The tax amount is already in the Electronic Cash Ledger (ECL) by the due date. This applies even if you file your return late.
Interest is a consequential and automatic liability. Taxpayers have to calculate and pay it on their own. There is no need of a formal notice. If they fail to do it, the proper officer can collect the amount under Section 79.
According to GST Section 50, if you pay your tax late, you have to pay 18% interest per year. In case you do wrong utilisation of ITC, the interest is 24% per year. The calculation of this interest is daily from the day after the payment due date to the actual payment date. As per Rule 88B, interest is charged only on the net cash tax liability.
Conclusion
Section 50 of CGST Act deals with interest on late tax payments. So, businesses must know it for keeping audit-ready and avoid unnecessary costs. You must do a timely payment and accurately calculate interest on net tax liability. This helps avoid additional interest liability and recovery action. If you still have a query about this section, contact Online Legal India.
FAQ
Q1. What is Section 50 of CGST Act?
Section 50 of CGST Act 2017, is the provision which handles the interest payable on the delayed payment of GST. A GST-registered person who does not pay tax on time is liable to pay interest. This interest is 18% per annum on the tax amount. It also can be a 24% if they claimed the wrong Input Tax Credit.
Q2. What is the standard interest rate for delayed tax payments under Section 50 of CGST Act?
The standard interest rate for delayed tax payments of GST is 18% per annum. The taxpayer must pay this required interest. They must pay it if they are late past the due date.
Q3. How interest is calculated when GSTR-3B is filed late under Section 50 of the CGST Act?
Interest is usually charged only on the net cash liability. This is paid from the Electronic Cash Ledger. Thus, there is no interest is charged on the portion of tax settled using Input Tax Credit (ITC). If the return is filed after the start of proceedings under Section 73 of CGST Act, 74, or the new Section 74A, interest may be added to the total tax owed.
Q4. What are the rules for interest on wrongly availed ITC?
In case you are wrongly availed and utilised input tax credit, you have to pay interest at a rate of 24% each year.
Disclaimer
This article is for informational purposes only and does not constitute legal advice. Online Legal India is a digital platform. If you require legal assistance, we strongly recommend consulting a qualified lawyer or law firm.