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Utility for calculation of 180 days

Prateek Patni (Student CA Final ) (22 Points)

14 January 2025

GST utility for calculation of 180 days

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Praneeth Cheruvupalli (Advocate & Tax Consultant) (26 Points)
Replied 15 January 2025

In GST, calculating 180 days is important for various compliance requirements, such as Input Tax Credit (ITC) reversal when payments are not made to suppliers within 180 days from the invoice date. Here's a simple utility logic:

Steps to Calculate 180 Days:

1. Start Date: Take the invoice date or the relevant date.

2. Add 180 Days: Add 180 days to the start date to determine the due date.

3. Check Compliance: Compare the calculated date with the actual payment date to determine compliance.

Example Calculation:

Invoice Date: 15-Jan-2025

180 Days from Invoice Date: Add 180 days → 14-Jul-2025

If the payment is made on or before 14-Jul-2025, ITC is not affected. If paid after this date, ITC needs to be reversed.