top of page

CGST Act 2017 Section 31

Detailed guide on Central Goods and Services Tax Act, 2017 Section 31 on tax invoice rules and compliance.

The Central Goods and Services Tax Act, 2017 is a comprehensive law governing the levy and collection of GST in India. Section 31 of this Act specifically deals with the issuance of tax invoices, a crucial document in the GST compliance framework.

Under the CGST Act, Section 31 outlines the requirements for tax invoices, credit and debit notes, and their significance for taxpayers, businesses, and GST officers. Understanding this section is vital for proper invoicing, claiming input tax credit, and ensuring smooth GST operations.

Central Goods and Services Tax Act, 2017 Section 31 – Exact Provision

Section 31 mandates that every registered supplier must issue a tax invoice for taxable supplies. This invoice is essential for the recipient to claim input tax credit. The section also prescribes the format and details to be included, ensuring uniformity and transparency in GST transactions.

  • Mandatory issuance of tax invoice for taxable supplies.

  • Invoice must be serially numbered and contain prescribed details.

  • Bill of supply is issued for exempted or non-taxable supplies.

  • Format and manner of invoices are prescribed by the government.

  • Invoices are crucial for input tax credit claims.

Explanation of CGST Act Section 31

This section requires registered persons to issue tax invoices for taxable supplies. It applies to all suppliers registered under GST making taxable supplies of goods or services.

  • Section 31 mandates invoice issuance before or at the time of supply.

  • Applies to registered persons including casual taxable persons and non-residents.

  • Invoices must include supplier and recipient GSTIN, description, quantity, value, tax rate, and amount.

  • Bill of supply is used for exempt or non-taxable supplies.

  • Triggering event is the supply of taxable goods or services.

  • Invoices enable recipients to claim input tax credit.

  • Failure to issue invoices can lead to penalties and disallowance of credit.

Purpose and Rationale of CGST Act Section 31

The purpose of Section 31 is to standardize invoicing under GST, ensuring transparency and accountability. It helps in proper tax administration and facilitates input tax credit claims.

  • Ensures uniform invoicing standards across India.

  • Prevents tax evasion by maintaining proper records.

  • Streamlines compliance for taxpayers and GST officers.

  • Supports smooth flow of input tax credit.

  • Enhances revenue collection through accurate documentation.

When CGST Act Section 31 Applies

This section applies whenever a taxable supply of goods or services occurs. It is relevant at the time of supply and invoicing.

  • Applicable for all taxable supplies, goods or services.

  • Invoice must be issued before or at supply time.

  • Relevant for intra-state and inter-state supplies.

  • Applies to registered persons crossing threshold limits.

  • Excludes exempted supplies where bill of supply is issued.

Tax Treatment and Legal Effect under CGST Act Section 31

Section 31 governs the issuance of tax invoices which are essential for charging GST and claiming input tax credit. Proper invoices ensure correct computation of GST liability and compliance with valuation rules.

Tax is levied on the value declared in the invoice. The invoice acts as evidence of supply and tax charged. Without a valid invoice, input tax credit may be denied to the recipient.

  • Tax invoice is the basis for GST liability and ITC claims.

  • Ensures correct tax computation and record-keeping.

  • Non-compliance can block input tax credit and attract penalties.

Nature of Obligation or Benefit under CGST Act Section 31

This section creates a mandatory compliance obligation for registered suppliers to issue tax invoices. It benefits recipients by enabling input tax credit claims.

The obligation is mandatory and conditional on making taxable supplies. Both suppliers and recipients are affected by this provision.

  • Creates a compliance obligation for suppliers.

  • Enables input tax credit benefit for recipients.

  • Mandatory for all taxable supplies by registered persons.

  • Non-compliance results in penalties and credit denial.

Stage of GST Process Where Section Applies

Section 31 applies primarily at the supply and invoicing stage. It also impacts return filing and tax payment stages.

  • Supply or transaction stage: invoice issuance is mandatory.

  • Invoicing: format and details prescribed.

  • Return filing: invoices are reported in GST returns.

  • Payment of tax: invoice value determines tax payable.

  • Assessment and audit: invoices serve as documentary evidence.

Penalties, Interest, or Consequences under CGST Act Section 31

Failure to issue or incorrect issuance of tax invoices can attract penalties under the CGST Act. Interest may be charged on delayed tax payments linked to invoicing errors.

Non-compliance can also lead to disallowance of input tax credit for recipients, impacting cash flows.

  • Penalties for failure to issue or incorrect invoices.

  • Interest on delayed tax payments due to invoicing lapses.

  • Disallowance of input tax credit for recipients.

  • Possible scrutiny or audit consequences.

Example of CGST Act Section 31 in Practical Use

Supplier X, a registered manufacturer, supplies goods to Company Y. Before dispatch, Supplier X issues a tax invoice containing all prescribed details including GSTIN, description, quantity, value, and tax charged. Company Y uses this invoice to claim input tax credit in its GST return. If Supplier X fails to issue the invoice timely, Company Y cannot claim credit, affecting its tax liability.

  • Timely invoice issuance enables input tax credit claims.

  • Proper invoicing ensures compliance and smooth business operations.

Historical Background of CGST Act Section 31

GST was introduced in India in 2017 to unify indirect taxes. Section 31 was designed to standardize invoicing across states, replacing multiple formats under previous laws. Over time, the GST Council has amended invoice rules to include e-invoicing and digital signatures.

  • Introduced in 2017 with GST rollout.

  • Replaced diverse invoicing formats under earlier tax regimes.

  • Amended to incorporate digital compliance like e-invoicing.

Modern Relevance of CGST Act Section 31

In 2026, Section 31 remains critical due to digital compliance requirements like GSTN, e-invoicing, and e-way bills. It ensures uniform invoicing standards and supports automated input tax credit verification.

  • Mandatory e-invoicing for specified taxpayers.

  • Supports digital GST compliance and audit trails.

  • Ensures transparency and reduces tax evasion.

Related Sections

  • CGST Act, 2017 Section 7 – Scope of supply.

  • CGST Act, 2017 Section 9 – Levy and collection of tax.

  • CGST Act, 2017 Section 16 – Eligibility for input tax credit.

  • CGST Act, 2017 Section 39 – Furnishing of returns.

  • CGST Act, 2017 Section 73 – Demand for non-fraud cases.

  • CGST Act, 2017 Section 34 – Credit and debit notes.

Case References under CGST Act Section 31

No landmark case directly interprets this section as of 2026.

Key Facts Summary for CGST Act Section 31

  • Section: 31

  • Title: Tax Invoice

  • Category: Invoices, Compliance

  • Applies To: Registered persons making taxable supplies

  • Tax Impact: Basis for GST liability and input tax credit

  • Compliance Requirement: Mandatory issuance of tax invoice

  • Related Forms/Returns: GST Returns (GSTR-1, GSTR-3B)

Conclusion on CGST Act Section 31

Section 31 of the CGST Act, 2017 is a foundational provision ensuring that every taxable supply is accompanied by a proper tax invoice. This facilitates transparency, accountability, and smooth flow of input tax credit in the GST system. Adherence to this section helps taxpayers avoid penalties and maintain compliance.

With evolving digital compliance measures, Section 31’s role has become even more significant. Taxpayers must stay updated on prescribed invoice formats and timelines to ensure seamless GST operations and avoid disruptions in credit claims.

FAQs on CGST Act Section 31

What is a tax invoice under Section 31?

A tax invoice is a document issued by a registered supplier for taxable supplies. It contains details like GSTIN, description, value, and tax charged. It is essential for the recipient to claim input tax credit.

When must a tax invoice be issued?

A tax invoice must be issued before or at the time of supply of goods or services as per Section 31 of the CGST Act.

Can a bill of supply be issued instead of a tax invoice?

Yes, a bill of supply is issued instead of a tax invoice for exempted or non-taxable supplies under the CGST Act.

What happens if a tax invoice is not issued?

Failure to issue a tax invoice can lead to penalties and disallowance of input tax credit for the recipient, affecting compliance and tax liability.

Are electronic invoices allowed under Section 31?

Yes, electronic invoices including e-invoicing are permitted and mandated for certain taxpayers under GST rules aligned with Section 31.

Related Sections

CrPC Section 139 mandates the filing of a police report (FIR) upon receiving information about a cognizable offence.

Companies Act 2013 Section 161 governs appointment of directors to fill casual vacancies on the board.

Radar detectors are illegal in India and their use can lead to penalties under motor vehicle laws.

Evidence Act 1872 Section 81A governs the admissibility of electronic records, ensuring their reliability and authenticity in legal proceedings.

Companies Act 2013 Section 419 governs the power of the Central Government to appoint inspectors for company investigations.

Understand the legal status of chatting websites in India, including regulations, restrictions, and enforcement practices.

CrPC Section 191 details the procedure for inquiry or trial of offences instituted on police reports and the role of Magistrates in such cases.

IPC Section 212 defines the offence of harboring or concealing a known offender to prevent their apprehension.

CPC Section 32 covers the effect of death on suits and proceedings, detailing how civil cases proceed when a party dies.

Waging is illegal in India under the Public Gambling Act, 1867, with strict penalties for organizing or participating in betting activities.

Companies Act 2013 Section 49 governs the authentication of documents by companies, ensuring valid execution and legal compliance.

Law firms are legal in India and operate under specific regulations governed by the Advocates Act and Bar Council of India rules.

Learn about the legality of owning and using nunchaku in India, including restrictions and enforcement details.

Third degree interrogation is illegal in India as it violates constitutional rights and legal safeguards against torture.

Dance bars are conditionally legal in India, with strict state regulations and licensing requirements varying widely.

IPC Section 143 defines punishment for unlawful assembly membership, addressing group crimes and public order protection.

Marital rape is not legally recognized as a crime in India, with limited exceptions and ongoing debates on enforcement and reform.

Growing parrots in India is regulated and conditionally legal with permits under wildlife laws.

Shopify is legal in India with specific regulations on e-commerce and data compliance you should know.

CrPC Section 314 covers the procedure for transferring a case from one court to another for trial or disposal.

Section 159 of the Income Tax Act 1961 allows you to file a revised income tax return in India under specific conditions.

CrPC Section 176 details the procedure for an inquest by a Magistrate into unnatural or suspicious deaths.

CrPC Section 230 details the procedure for framing charges against the accused after the investigation is complete.

Negotiable Instruments Act, 1881 Section 125 defines the term 'holder in due course' and its significance under the Act.

Income Tax Act, 1961 Section 260B defines the jurisdiction of the Income Tax Appellate Tribunal for hearing appeals.

IPC Section 280 penalizes driving a motor vehicle in a public place at a speed or in a manner dangerous to the public.

Burning money is illegal in India under the Reserve Bank of India Act and the Indian Penal Code.

bottom of page