TL;DR for CAs
- Thresholds differ for goods and services and for special category states.
- Compulsory registration applies for interstate supplies, e-commerce, etc.
- Voluntary registration has ITC and compliance trade-offs.
What it is
GST registration is required when turnover crosses thresholds or when compulsory provisions under Section 24 apply.
Who it applies to
New businesses, expanding traders, and freelancers supplying taxable services.
Key provisions
- Sections 22 and 24
- Aggregate turnover definition
- Casual and non-resident taxable persons
Practical tips for CAs
Compute aggregate turnover across PAN India. Flag e-commerce sellers early.
Common mistakes
Ignoring exempt + taxable aggregation; delaying registration after crossing threshold; wrong business vertical setup.
For general guidance only. Verify with the latest Finance Act, GST notifications, and ICAI guidance notes before advising clients.