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Understanding GST Compliance: A Complete Guide for Businesses
Contributor
Kaytax Finance Team
Release Date
Sat Feb 07 2026

## GST Compliance: Everything You Need to Know
Goods and Services Tax (GST) is one of the most important compliance requirements for Indian businesses. Understanding the basics can help you stay compliant and avoid penalties.
### What is GST?
GST is a comprehensive indirect tax on the supply of goods and services. It replaced multiple indirect taxes like VAT, service tax, and excise duty.
### Who Needs to Register for GST?
Businesses with an annual turnover exceeding Rs. 40 lakhs (Rs. 20 lakhs for services in special category states) must register for GST.
### Key GST Filing Requirements
- File monthly GST Return (GSTR-1) for outward supplies
- File GSTR-2 for inward supplies and purchase invoices
- File GSTR-3 for reconciliation
- Maintain proper GST records and documentation
### GST Filing Deadlines
- GSTR-1: 11th of next month
- GSTR-2: 15th of next month
- GSTR-3: 20th of next month
### Common GST Mistakes to Avoid
- Missing filing deadlines
- Incorrect invoice details
- Wrong HSN/SAC codes
- Incomplete documentation
Stay compliant with GST by maintaining proper records and filing on time.