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1Clear out junk files and repair common Windows errors2Scan for outdated or missing drivers - takes under a minute3Repair Windows errors before they cause bigger problemsGST registration, return filing and input tax credit (ITC) depend on your business’s turnover, supplies and tax status—not on one rule that applies to every small business. Use this guide to understand the main steps, then verify the current rules for your State and circumstances on the GST Portal and in applicable CBIC notifications.
When does a small business need GST registration?
Registration is based in part on aggregate turnover and can also be required by statutory exceptions. CBIC’s FAQ material refers to a general ₹20 lakh threshold and discusses special-category States and inter-State supplies, but parts of that guidance are older and should not be treated as a complete statement of current law. The applicable threshold and compulsory-registration rules can depend on your State, the type of supply and your transaction pattern. Check current CBIC notifications and GST Portal guidance before deciding that your business is exempt. CBIC GST FAQs
If registration is required, the registration rules describe applying in Form GST REG-01. The basic application information includes your PAN, mobile number, email address and State or Union Territory. SEZ units and developers have separate application treatment, so they should check the relevant rules rather than assume the ordinary process applies. CBIC central tax notifications
What do GSTR-1 and GSTR-3B do?
GSTR-1 is the statement for reporting outward supplies. GSTR-3B is the period return used in the filing workflow. GST Portal guidance says normal and casual registered taxpayers generally file GSTR-1, with exceptions that include composition taxpayers and certain specified categories. Check the portal’s current instructions for your taxpayer category. GST Portal returns guidance
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Can I file GSTR-1 monthly or quarterly?
Eligible normal taxpayers may use monthly or quarterly GSTR-1 filing. The GST Portal’s stated QRMP condition is turnover of up to ₹5 crore in the preceding financial year, or expected turnover of up to ₹5 crore for a newly registered taxpayer. This is an eligibility condition, not an unrestricted choice for every business. GST Portal returns guidance
| Filing cadence | Portal-stated ordinary GSTR-1 due date | Operational consideration |
|---|---|---|
| Monthly | 11th of the following month | More frequent reporting; may suit businesses that want to report invoices each month. |
| Quarterly | 13th after the quarter ends | Fewer GSTR-1 filing periods, subject to the QRMP eligibility conditions. |
These are ordinary dates stated in GST Portal guidance, not a guarantee that a particular period’s deadline has not been extended. Check the live portal and any government notification for the relevant period. The portal also says GSTR-1 is required for an applicable filer even when the period is nil; composition taxpayers and specified categories do not file GSTR-1. GST Portal returns guidance
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How can I correct an error or add a missed record in GSTR-1?
GSTR-1A is an optional, one-time facility for a tax period. GST Portal guidance says it becomes available after GSTR-1 has been filed or its due date has passed, whichever is later, and remains available until GSTR-3B for that period is filed. It can be used to add omitted records or amend reported records. GST Portal returns guidance
Changes made through GSTR-1A feed into the supplier’s GSTR-3B for that period. For the recipient, ITC associated with records added or amended through GSTR-1A appears in the next period’s GSTR-2B, according to the portal guide. Factor that timing into invoice reconciliation; do not assume the adjustment will appear in the recipient’s current-period statement. GST Portal returns guidance
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When can a business claim input tax credit?
ITC is conditional: having a GST invoice does not automatically make an expense creditable. CBIC’s rules set out required documents and provisions for allocating and reversing credit; the Act also restricts credit for particular transactions. Review the current statutory text for the specific purchase and your business’s circumstances. CBIC central tax rules
As a practical screening process, a business should:
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- Keep the prescribed tax invoice or other qualifying document.
- Check that the purchase is used in the business and relates to eligible taxable activity.
- Reconcile supplier-reported invoice information with the business’s records.
- Assess blocked-credit restrictions and any allocation between taxable, exempt or non-business use.
- Check payment-related conditions and any reversal requirement that applies.
Unusual transactions or material credit claims warrant a check against the current law and, where appropriate, advice from a qualified tax professional.
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