Section 146 – Common Portal

Section 146 of the Central Goods and Services Tax Act, 2017 deals with the Common Goods and Services Tax Electronic Portal, commonly referred to as the Common Portal.

GST is a destination-based tax system administered through the Central Government, State Governments and Union Territory administrations. Because taxpayers have to perform many GST-related activities electronically, the law provides for a common electronic portal through which important GST processes can be facilitated.

Section 146 authorises the Government, on the recommendations of the GST Council, to notify the Common Goods and Services Tax Electronic Portal. The section specifically mentions functions such as registration, payment of tax, furnishing of returns, computation and settlement of integrated tax, electronic way bill and other prescribed functions.

The Common Portal is therefore an important part of the digital infrastructure supporting GST compliance in India.

What Is Section 146 of the CGST Act?

Section 146 is titled “Common Portal.”

The provision states:

“The Government may, on the recommendations of the Council, notify the Common Goods and Services Tax Electronic Portal…”

The section allows the Government to notify a common electronic portal for facilitating:

• registration;
• payment of tax;
• furnishing of returns;
• computation and settlement of integrated tax;
• electronic way bill; and
• other functions and purposes prescribed under the GST law.

The provision is therefore an enabling provision. It provides the statutory foundation for using a common electronic system for GST-related functions.

Why Was a Common Portal Required Under GST?

GST replaced multiple indirect tax systems with a unified framework involving CGST, SGST/UTGST and IGST.

A taxpayer may have to interact with the GST system for several activities, including:

• obtaining registration;
• filing returns;
• making tax payments;
• claiming refunds;
• maintaining electronic ledgers;
• generating e-way bills;
• generating or reporting e-invoice information where applicable;
• submitting applications;
• responding to notices; and
• carrying out other prescribed GST compliance activities.

The GST Council’s early implementation documents explained that common front-end processes such as registration, return filing and payment were intended to operate through a common electronic portal.

Section 146 provides the legal mechanism through which such a common portal can be notified.

Main Functions Mentioned in Section 146

Section 146 specifically identifies several important GST functions.

1. Registration

The Common Portal facilitates GST registration.

A person liable to registration generally submits the prescribed registration application electronically through the GST system.

The GST registration rules provide for applications through the Common Portal, either directly or through a notified Facilitation Centre, as applicable.

The registration process can involve:

• PAN details;
• mobile number;
• email address;
• business information;
• principal place of business;
• additional places of business;
• documents;
• verification; and
• generation of GSTIN.

Therefore, Section 146 provides the electronic infrastructure through which registration-related processes can be carried out.

2. Payment of Tax

The Common Portal also facilitates payment of GST liabilities.

A registered taxpayer can use the GST system to:

• generate challans;
• make tax payments;
• view the electronic cash ledger;
• utilise eligible input tax credit;
• discharge tax liabilities; and
• monitor payment-related information.

The GST payment rules provide for electronic ledgers and related payment processes through the Common Portal. For example, the electronic tax liability register is maintained on the Common Portal, while the prescribed payment mechanisms operate through the GST system.

Example

Suppose a registered taxpayer has a GST liability of ₹1,00,000.

The taxpayer can use the GST system to determine the liability and make the required payment through the prescribed electronic process.

The resulting entries in the relevant electronic ledgers are maintained through the GST system.

3. Furnishing of Returns

Another major function expressly mentioned in Section 146 is the furnishing of returns.

GST returns and statements are generally furnished electronically through the Common Portal in the forms prescribed under the CGST Rules.

Depending on the taxpayer and applicable provisions, the GST system may be used for filing documents such as:

• GSTR-1;
• GSTR-3B;
• GSTR-4;
• GSTR-5;
• GSTR-6;
• GSTR-7;
• GSTR-8;
• GSTR-9; and
• other prescribed statements or returns.

The exact return applicable depends on the taxpayer’s status, nature of supplies and relevant provisions of the GST law.

Section 146 therefore provides the statutory foundation for the electronic return-filing environment.

4. Computation and Settlement of Integrated Tax

Section 146 also refers to computation and settlement of integrated tax.

Integrated GST, or IGST, applies principally to inter-State supplies and certain other transactions covered by the IGST Act.

The GST system needs to process information relating to IGST so that the appropriate amounts can be computed and settled between the Centre and States or Union territories according to the statutory framework.

The GST Council has specifically noted that Section 146 entrusts the Common Portal with the task of computation and settlement of integrated tax.

This is an important function because GST involves different tax components and inter-governmental settlement.

5. Electronic Way Bill

Section 146 expressly mentions the electronic way bill, commonly called the e-way bill.

The e-way bill system facilitates electronic documentation and verification of the movement of goods in specified circumstances.

The GST Council’s records identify the e-way bill portal as a portal notified for furnishing electronic way bills under the statutory framework.

The e-way bill system operates alongside the main GST compliance portal and supports the movement-of-goods compliance framework.

6. Other Functions and Prescribed Purposes

Section 146 does not restrict the Common Portal only to the functions specifically listed in the provision.

It also permits the portal to facilitate:

“such other functions and for such purposes as may be prescribed.”

This gives the GST administration flexibility to use the electronic system for additional functions prescribed under the Act and Rules.

This is particularly important because GST compliance involves many processes beyond registration, returns and payment.

Is the GST Portal the Common Portal?

The GST Council records show that www.gst.gov.in was developed as the common GST electronic portal for the identified GST processes.

The GST Council’s subsequent discussions also record the notification framework under Section 146 and the use of the GST portal for various taxpayer operations.

However, it is important to understand that the expression “Common Portal” is a statutory concept. Section 146 provides the legal basis for notifying the portal; it is not merely the name of a website.

Common Portal and GSTN

The GST Council’s implementation documents explain that the common GST portal was developed and managed through the GST Network infrastructure.

GSTN, or the Goods and Services Tax Network, provides the technology infrastructure supporting various GST processes.

The statutory expression in the CGST Act is “Common Goods and Services Tax Electronic Portal.”

Therefore, the Common Portal should not simply be treated as synonymous with the name of the technology company or network. Section 146 is concerned with the electronic portal notified under the GST law.

Notification of the Common Portal

Section 146 uses the expression:

“The Government may, on the recommendations of the Council, notify…”

This means the statutory framework involves:

1. the GST Council’s recommendation; and
2. notification by the Government.

The provision therefore establishes a formal legal process for notifying the Common Portal rather than leaving the matter entirely to administrative practice.

The GST Council’s records from the initial GST rollout specifically discuss the recommendation and notification of the common portal under Section 146.

Section 146 and the GST Council

The GST Council plays an important role under Section 146 because the Government’s notification power is exercised on the recommendations of the Council.

This reflects the broader GST constitutional framework in which the GST Council provides recommendations on important aspects of GST administration and policy.

The Council’s early meeting documents specifically considered the notification of the common GST electronic portal under Section 146.

Common Portal and GST Registration

The Common Portal is central to the GST registration system.

For example, the registration rules provide that a person seeking registration generally declares PAN, mobile number and email address in the prescribed manner through the Common Portal.

The portal can subsequently be used for various registration-related activities, including:

• submission of applications;
• uploading documents;
• responding to notices;
• authentication or verification where required;
• viewing registration status;
• downloading registration certificates; and
• applying for amendments or cancellation where applicable.

Therefore, Section 146 has a direct connection with the practical GST registration process.

Common Portal and Electronic Ledgers

The GST system maintains several electronic records for taxpayers.

These include, among others:

• electronic cash ledger;
• electronic credit ledger; and
• electronic liability register.

The GST payment rules provide for the maintenance and operation of these electronic records through the Common Portal.

Example

A registered taxpayer may have:

• ₹50,000 in the electronic cash ledger;
• ₹80,000 in eligible input tax credit; and
• ₹1,20,000 of tax liability.

The taxpayer can use the GST system to view these balances and discharge the liability according to the applicable rules governing utilisation and payment.

Common Portal and Refund Applications

The GST refund system is also substantially electronic.

Depending on the applicable refund provision and rules, taxpayers may be required to submit refund applications and related forms electronically through the Common Portal.

The GST Council has specifically noted that various refund forms, including forms in the RFD series, are furnished electronically on the Common Portal.

This demonstrates how the broad wording of Section 146 supports functions beyond the basic registration and return-filing processes.

Common Portal and Input Tax Credit

The Common Portal also supports various processes relating to input tax credit.

Depending on the applicable provision, taxpayers may use the GST system for:

• viewing input tax credit-related information;
• filing returns;
• reporting eligible or ineligible credit;
• filing prescribed ITC forms;
• transferring credit in specified circumstances; and
• responding to related communications.

The GST Council’s discussion on Section 146 specifically identified forms such as ITC-01, ITC-02 and ITC-02A as forms required to be furnished electronically on the Common Portal.

Common Portal and E-Invoice

The e-invoice system is another important part of the GST electronic ecosystem.

The GST Council records state that, through Notification No. 69/2019 dated 13 December 2019, specified websites were notified as Common Goods and Services Tax Electronic Portals for preparation of invoices under Rule 48(4) of the CGST Rules.

This illustrates an important point: the GST electronic ecosystem can involve different notified portals for specific functions.

Therefore, the term Common Portal under Section 146 should be understood together with the relevant notifications and rules applicable to a particular GST process.

Common Portal and E-Way Bill Portal

Similarly, the e-way bill system has its own electronic portal arrangement.

The GST Council has recorded that www.ewaybillgst.gov.in was notified as the Common Goods and Services Tax Electronic Portal for furnishing electronic way bills.

Thus, while taxpayers commonly refer to the GST portal and e-way bill portal as parts of the GST electronic ecosystem, the precise portal applicable to a particular process depends on the relevant notification and statutory framework.

Section 146 and CGST, SGST, IGST and UTGST

GST operates through multiple statutes:

• Central Goods and Services Tax Act, 2017;
• Integrated Goods and Services Tax Act, 2017;
• respective State GST Acts; and
• Union Territory GST Act, 2017.

The Common Portal provides an electronic infrastructure through which several common GST processes can be carried out across this framework.

The GST Council’s initial implementation documents specifically envisaged common electronic processes for CGST, IGST, SGST and UTGST.

Section 20 of the IGST Act also provides for certain CGST provisions to apply to integrated tax in the manner specified by that Act, which is relevant to the broader electronic GST framework.

👉 Read More → Section 148 – Special procedure for certain processes

Section 146 and Section 2(26)

Section 2(26) of the CGST Act defines the expression “Common Portal”.

Section 146 then provides the statutory mechanism for notifying the Common Goods and Services Tax Electronic Portal for the functions specified in the section.

These provisions should therefore be read together.

In simple terms:

Section 2(26) → Definition of Common Portal

Section 146 → Provision for notifying the Common Goods and Services Tax Electronic Portal

Section 146 and GST Rules

Section 146 itself is relatively short.

However, its practical importance becomes much clearer when it is read with the CGST Rules.

The Rules prescribe numerous electronic procedures, forms and compliance mechanisms that operate through the Common Portal.

These may relate to:

• registration;
• returns;
• payment;
• refunds;
• input tax credit;
• composition levy;
• assessment;
• demand and recovery;
• appeals;
• other applications; and
• prescribed statements.

The GST Council has specifically noted that several forms under different chapters of the CGST Rules are required to be furnished electronically through the Common Portal.

Section 146 and GST Forms

Many GST forms are submitted electronically.

Depending on the particular provision, examples can include forms from the:

• REG series for registration;
• GSTR series for returns;
• PMT series for payment and ledgers;
• RFD series for refunds;
• DRC series for demand and recovery;
• ITC series for specified input-tax-credit procedures; and
• other prescribed form series.

The exact electronic procedure depends on the relevant section, rule, notification and form.

Therefore, Section 146 acts as an important statutory foundation for the electronic administration of these processes.

What Happens If the GST Portal Has a Technical Problem?

Section 146 establishes the legal framework for the Common Portal, but the practical consequences of a technical issue depend on the particular statutory requirement, applicable notification, rule, circular, advisory or relief granted by the tax administration.

A taxpayer should not automatically assume that every portal outage extends every GST deadline.

Where a statutory filing or payment is affected by a technical problem, taxpayers should preserve relevant evidence such as:

• screenshots;
• error messages;
• timestamps;
• failed transaction details;
• helpdesk references; and
• other available system records.

Any specific extension or relaxation should be based on the applicable official notification, circular or order.

Importance of the Common Portal for GST Compliance

The GST system is heavily dependent on electronic compliance.

A taxpayer may interact with the Common Portal for almost every major stage of GST administration, including:

Registration → Returns → Payment → ITC → Refund → Notices → Applications → Compliance Records

This electronic structure provides a common platform for taxpayers and tax authorities and supports standardised GST procedures.

Common Portal and Taxpayer Responsibilities

The existence of an electronic portal does not remove the taxpayer’s legal responsibility.

A registered person must still:

• maintain accurate records;
• calculate tax correctly;
• file returns within the prescribed time;
• pay tax and other amounts when due;
• claim eligible ITC correctly;
• respond to notices;
• maintain supporting documents; and
• comply with applicable GST provisions.

The portal is the electronic medium for compliance. It does not itself determine whether a taxpayer has correctly complied with the substantive provisions of the GST law.

Example – Filing a GST Return

Suppose a registered taxpayer has to furnish a GST return for a particular tax period.

The taxpayer:

1. prepares the required information;
2. enters or uploads the prescribed details;
3. verifies the return;
4. calculates the resulting liability;
5. pays the required amount, where applicable; and
6. submits the return electronically through the prescribed GST system.

Section 146 provides the statutory basis for the electronic portal through which such GST processes are facilitated.

Example – GST Registration

Suppose a new business becomes liable for GST registration.

The business can use the Common Portal to submit the prescribed registration application.

The application may require:

• PAN;
• mobile number;
• email;
• business details;
• address details;
• documents; and
• other prescribed information.

The application is then processed through the electronic GST registration system according to the applicable rules.

Example – GST Refund

Suppose an eligible taxpayer wants to claim a GST refund.

Depending on the applicable refund provision, the taxpayer may have to submit the prescribed refund application electronically.

The GST system can then facilitate:

• submission of the application;
• acknowledgement;
• communication;
• processing;
• issuance of relevant orders; and
• payment or adjustment as applicable.

The GST Council has specifically recognised the electronic filing of refund forms through the Common Portal.

Example – E-Way Bill

Suppose goods are being transported in circumstances where an e-way bill is required.

The relevant information is furnished electronically through the notified e-way bill system.

The e-way bill framework is therefore another important component of the electronic GST administration authorised under the statutory portal framework.

Section 146 and Digital GST Administration

Section 146 reflects one of the fundamental characteristics of GST administration: digital compliance.

Instead of requiring taxpayers to physically submit every application, return, payment document and supporting form to different tax offices, the GST framework uses electronic systems for a substantial part of compliance.

This supports:

• standardisation;
• centralised electronic records;
• faster transmission of information;
• electronic communication;
• automated calculations in specified processes;
• online tracking; and
• integration of GST information.

The precise features available to taxpayers depend on the relevant statutory provisions and system functionality.

Section 146 – Important Points to Remember

The key points of Section 146 can be summarised as follows:

1. Section 146 of the CGST Act deals with the Common Portal.
2. The Government may notify the Common Goods and Services Tax Electronic Portal on the recommendations of the GST Council.
3. The provision specifically mentions registration.
4. It also mentions payment of tax.
5. It covers furnishing of returns.
6. It covers computation and settlement of integrated tax.
7. It covers electronic way bills.
8. It also permits other functions and purposes to be prescribed.
9. The Common Portal provides an important electronic infrastructure for GST compliance.
10. The GST Council’s records identify www.gst.gov.in as the common GST electronic portal for the relevant notified functions.
11. Separate notified electronic portals can operate for specific GST functions, such as e-way bills and e-invoicing.
12. The GST Rules prescribe numerous forms and procedures that operate electronically through the Common Portal.
13. Registration-related applications are submitted through the Common Portal under the applicable rules.
14. Electronic payment and ledger mechanisms operate through the Common Portal.
15. Refund and ITC-related forms can also be required to be furnished electronically through the Common Portal.
16. Section 146 is an enabling provision and should be read together with Section 2(26), the CGST Rules and relevant notifications.
17. The Common Portal facilitates GST compliance but does not replace the taxpayer’s substantive legal obligations.

👉 Read More → Section 146 – Common Portal

Conclusion

Section 146 of the CGST Act provides the statutory foundation for the Common Goods and Services Tax Electronic Portal used to facilitate important GST compliance processes.

The provision authorises the Government, on the recommendations of the GST Council, to notify the Common Portal for functions including registration, payment of tax, furnishing of returns, computation and settlement of integrated tax and electronic way bills, along with other functions and purposes prescribed under the GST framework.

The practical importance of Section 146 is considerable because GST administration is largely electronic. Taxpayers use the GST electronic system for activities such as registration, return filing, payment, electronic ledgers, refunds, input tax credit-related procedures and various other compliance requirements. The GST Council has also documented the use of the common portal for a wide range of forms and processes prescribed under the CGST Rules.

The provision should not, however, be understood as saying that there is only one website for every GST-related electronic activity. The statutory framework allows specific portals to be notified for particular purposes. For example, the GST Council has recorded separate portal arrangements for electronic way bills and e-invoicing.

For taxpayers, the key point is that the Common Portal is the electronic infrastructure through which a large part of GST compliance is carried out. Section 146 provides the legal foundation, while the relevant provisions of the CGST Act, CGST Rules, notifications and other prescribed procedures determine what the taxpayer must actually do.

Section 146 should therefore be read along with Section 2(26), the CGST Rules and the relevant GST notifications to understand the particular portal, electronic form or online procedure applicable to a specific GST requirement.

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