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Indian Tax Law • Updated 9 October 2026

Service Tax Registration and Returns in India: GST Rules, Payments and Penalties

Service tax registration, payment and returns under the Finance Act, 1994 were part of India's pre-GST indirect tax system. For most services, Goods and Services Tax (GST) replaced service tax from 1 July 2017. This guide explains the historical service tax requirements and the GST registration, return, payment and penalty rules that generally apply today.

Current-law note: New service businesses ordinarily register and comply under GST, not by filing legacy Form ST-1. Historic service tax liabilities, refunds, investigations, appeals and proceedings may still require attention under the applicable saving and transitional provisions.

1. What was service tax?

Service tax was a central levy principally governed by Chapter V of the Finance Act, 1994, the Service Tax Rules, 1994 and related notifications. Section 68 dealt with payment of service tax; section 69 addressed registration. The former levy was largely subsumed into GST. For transactions from the GST commencement date, determine liability under the Central Goods and Services Tax Act, 2017, the corresponding State or Union Territory GST legislation and, for inter-State supplies, the Integrated Goods and Services Tax Act, 2017.

2. GST registration: who must register?

CGST Act, sections 22 to 25 govern liability to register, compulsory registration, exemptions and registration procedure. For service suppliers, the general aggregate-turnover threshold is commonly Rs. 20 lakh, or Rs. 10 lakh in specified special-category States, subject to statutory definitions, exemptions and notifications. Certain suppliers must register regardless of turnover under section 24, while specific categories may receive exemptions by notification. Thresholds for suppliers of goods can differ. Check the supplier's State, supply type and latest notifications before deciding.

Registration is generally applied for online through the GST portal. Under section 25, a person liable to register ordinarily applies within 30 days of becoming liable; special rules apply to casual taxable persons and non-resident taxable persons.

Documents commonly needed for GST registration

  • PAN and business constitution details, where applicable.
  • Identity and photograph of proprietor, partners, directors or authorised signatory, as applicable.
  • Proof of principal place of business, such as ownership evidence, rent or lease agreement and supporting documents as prescribed.
  • Constitution documents such as partnership deed, incorporation certificate or other relevant records.
  • Authorisation for the signatory, bank details and any additional information requested under the current portal workflow.

Actual documentary and Aadhaar-authentication requirements depend on the applicant and the current GST registration rules. Use the official GST portal and GST help resources.

Multiple services, branches and changes

One GST registration generally covers multiple taxable supplies made by a registered person within the same State or Union Territory. Separate State or Union Territory registrations are generally required for places of business in different States, subject to statutory exceptions. Multiple registrations within a State may be available subject to prescribed conditions. Amendments, cancellation and revocation are addressed by CGST Act sections 28 to 30 and the applicable rules. A transfer of business may have registration and input-tax-credit implications; do not assume that the transferor's registration automatically transfers.

3. GST payment, assessment and interest

CGST Act section 49 governs payment of tax, interest, penalty and other amounts, including electronic cash and credit ledgers. Section 50 governs interest on delayed payment, with rates and computation subject to the Act and notifications. Taxpayers normally make payments electronically using the GST portal. Section 60 permits provisional assessment where the applicable statutory conditions and permissions are met; it is not simply an option to pay an estimated amount without following the prescribed process.

For a non-resident supplier, assess the nature and location of supply, registration obligations, reverse charge, and any special registration category under GST. The old rule permitting payment of service tax through an authorised person is not a general substitute for GST compliance.

4. GST returns and filing due dates

CGST Act section 39 provides for furnishing returns, while section 37 deals with details of outward supplies. Registered taxpayers commonly file GSTR-1 and GSTR-3B, subject to eligibility, taxpayer category, exemptions and the QRMP scheme. Monthly GSTR-1 is ordinarily due on the 11th of the following month, quarterly GSTR-1 on the 13th following the quarter, and monthly GSTR-3B on the 20th of the following month. QRMP GSTR-3B due dates commonly fall on the 22nd or 24th depending on the State or Union Territory. Due dates may be extended by notification. Always confirm the current filing calendar on the GST portal.

The former half-yearly ST-3 service tax return and the 2012 return extensions discussed in older guidance are historical and should not be used as present-day GST deadlines. Legacy returns or proceedings, where legally applicable, must be handled under the relevant historic framework.

5. Invoices and records to maintain

CGST Act sections 31 and 35 and the CGST Rules address tax invoices, accounts and records. Depending on the business, maintain serially numbered invoices, credit and debit notes, contracts, receipts, payment records, tax ledgers, inward and outward supply details, input tax credit support, branch information and supporting books. Section 36 prescribes the retention period, subject to longer retention where proceedings are pending. Electronic records must be preserved and produced as required.

6. Late fees, penalties and non-compliance

CGST Act section 47 governs late fees for specified delayed returns or statements, subject to applicable notifications and caps. Section 50 governs interest for delayed tax payment. Section 122 lists specified offences and penalties, including failures concerning registration, invoices and tax payment; section 125 provides a general penalty for contraventions where no separate penalty is provided. Penalties depend on the facts, statutory conditions and applicable amendments or notifications. The old fixed service tax penalty figures of Rs. 200 per day or Rs. 5,000 are not reliable statements of current GST law.

7. Historic service tax registration and returns

Under the former system, persons liable under Finance Act, 1994 section 68 were generally required to obtain registration under section 69 and Rule 4 of the Service Tax Rules, 1994. The application was made in Form ST-1, commonly within 30 days of liability or commencement as prescribed. A registration could cover multiple taxable services. Centralised registration was available in prescribed circumstances involving centralised billing or accounting; otherwise separate premises registrations could be required. Amendments and surrender were handled under the former rules.

Common historical supporting documents included PAN, address proof, partnership deed or company incorporation documents, and address information for premises included in centralised registration. Historical payments used prescribed challans, including TR-6 in earlier periods, and later electronic processes. Service tax returns were filed using ST-3 according to the rules and notifications applicable to each period. The former small-service-provider exemption of Rs. 10 lakh and old payment and penalty deadlines were period-specific and are not current GST thresholds or procedures.

Where a pre-GST liability, audit, demand, refund or appeal remains open, examine the relevant Finance Act provisions, repeal-and-saving provisions including CGST Act section 174, and the rules and notifications applicable to the original tax period. The outcome can depend on the nature of the service, date of provision, point of taxation and procedural history.

8. Practical compliance checklist

  1. Identify whether the supply is taxable, exempt, zero-rated or outside GST.
  2. Check turnover and compulsory registration rules for each State or Union Territory.
  3. Complete registration or amendments through the official GST portal.
  4. Issue compliant invoices and maintain supporting accounts.
  5. Reconcile sales, purchases, input tax credit and electronic ledgers.
  6. File the applicable returns and pay tax by the notified deadlines.
  7. Preserve legacy service tax records if older liabilities or proceedings remain unresolved.

Official legal and compliance resources

This article is general legal information. The applicable rules depend on the relevant tax period, location, business activity and current notifications.