Section 46 CGST Act — GST Return Default Notice & GSTR-3A

1. Why Section 46 matters

Searches such as “Section 46 CGST Act”, “Section 46 GST”, “GSTR-3A notice”, “GST return default notice”, “notice under Section 46”, “15 days GSTR-3A”, and “Section 62 best judgment assessment” all relate to the legal process that starts when a registered person does not furnish a required GST return.

Section 46 is a notice provision. It does not itself calculate the taxpayer's final tax liability. Its purpose is to formally require a defaulting registered person to furnish the relevant return within the prescribed period. Rule 68 operationalises this through FORM GSTR-3A.

2. What Section 46 means

Section 46 provides that where a registered person fails to furnish a return under Section 39 or Section 44 or Section 45, a notice shall be issued requiring the person to furnish the return within the prescribed time and manner.

Rule 68 prescribes FORM GSTR-3A for such notice and states that it is issued electronically to a registered person who fails to furnish the relevant return. citeturn0search0turn0search1

3. Statutory framework

The important point in Section 46 is the sequence:

1. A registered person is required to furnish a return.
2. The return is not furnished within the prescribed time.
3. A notice under Section 46 is issued in the prescribed form.
4. The taxpayer is required to furnish the return within the prescribed period.
5. If the default continues, the consequences under the applicable assessment provisions may follow.

The statutory wording should therefore be read together with Rule 68, FORM GSTR-3A and Section 62.

4. GSTR-3A notice

FORM GSTR-3A is titled “Notice to return defaulter u/s 46 for not filing return.” The prescribed form identifies the GSTIN, taxpayer, tax period and type of return and requires the return to be furnished within 15 days. citeturn0search1turn0search3

The form also warns that, if the return is not furnished, the tax liability may be assessed under Section 62 based on relevant material available with the department, with interest and applicable penalty consequences.

5. The 15-day period

The GSTR-3A notice requires the defaulting taxpayer to furnish the relevant return within 15 days.

The statutory notice period is distinct from any internal system-generated reminders sent before or immediately after the original return due date.

6. Returns covered

Section 46 expressly refers to returns under Sections 39, 44 and 45. Rule 68 also records the prescribed notice framework and includes Section 52 in its current rule wording. citeturn0search5

Always identify the exact return named in the notice. A GSTR-3A notice is linked to a particular return type and period.

7. GSTR-3B default

For a regular taxpayer, non-filing of the applicable periodic return can lead to a Section 46 notice. The taxpayer should immediately identify:

• the tax period;
• outward taxable supplies;
• reverse-charge liability;
• ITC available and eligible;
• interest and late fee;
• electronic cash/credit ledger position; and
• any earlier-period return dependency.

Circular 129/48/2019-GST directed field formations toward a standard non-filer process and stated that, after the prescribed notice period, best-judgment assessment under Section 62 may proceed without another separate communication. citeturn0search2

8. GSTR-9 default

Section 46 also covers failure to furnish a return under Section 44. Therefore, a registered person who is required to furnish the annual return but fails to do so can receive a Section 46 notice.

The taxpayer should distinguish an annual-return default from periodic GSTR-3B default. Filing the annual return does not automatically cure an unpaid periodic tax liability.

9. GSTR-10 final-return default

Section 46 is particularly important after cancellation because a cancelled registration can still have an outstanding final-return obligation under Section 45.

The prescribed GSTR-3A form contains a separate notice format for failure to file the final return in FORM GSTR-10. It refers to the cancellation order and requires the final return to be furnished within 15 days. citeturn0search1turn0search4

10. Section 52 return default

Rule 68 expressly includes failure to furnish a return under Section 52 within the notice-to-default framework. This is relevant to electronic commerce operators required to furnish the prescribed TCS statement/return.

The exact return and due-date requirement should be identified before responding because Section 52 is a separate statutory framework from the regular taxpayer return under Section 39.

11. When notice is withdrawn

The prescribed GSTR-3A form states that the notice is deemed to be withdrawn if the return referred to in the notice is filed before issue of the assessment order. citeturn0search1turn0search3

This makes prompt filing important. A taxpayer should not wait until the end of the 15-day period if the return can be correctly prepared and filed earlier.

12. Section 62 best-judgment assessment

If the taxpayer does not furnish the required return even after the Section 46 notice, the proper officer may proceed under the applicable best-judgment assessment provisions.

For returns under Section 39 and Section 45, Section 62 provides the assessment framework. The officer may use relevant material available or gathered to determine the taxpayer's liability.

Circular 129/48/2019-GST explains that no separate additional notice is required for the Section 62 assessment after the GSTR-3A process in the circumstances covered by the circular. citeturn0search2

13. Interest and penalty

A Section 46 notice itself is not a separate tax demand. It is a notice requiring filing of the defaulted return. However, the underlying return may involve tax, interest and late fee, and a subsequent assessment may create further statutory consequences.

The taxpayer should calculate the actual liability from the return data rather than treating the notice as an arbitrary tax demand.

14. Recovery after assessment

If a best-judgment assessment creates tax liability and the taxpayer does not pay it, the normal GST demand and recovery framework can become relevant.

Therefore, the safest response to a Section 46 notice is not merely “file the return”; it is to complete a full compliance-and-payment reconciliation before the matter escalates.

15. Filing after assessment

Where an assessment order has already been issued, filing a return does not automatically erase the assessment. The taxpayer must examine the specific statutory remedy and the conditions for withdrawal/abeyance/rectification, as applicable to the case.

16. Circular 129/48/2019-GST

Circular 129/48/2019-GST dated 24 December 2019 was issued to standardise the procedure for non-filers of returns. It addresses non-filing under Sections 39, 44 and 45 and explains the Section 46/Rule 68 GSTR-3A process. citeturn0search0turn0search2

The circular describes system-generated reminders, issue of GSTR-3A after the return due date and the subsequent best-judgment assessment process in specified cases.

17. Departmental timeline

Circular 129/48/2019-GST described a five-day-after-due-date operational target for issuing GSTR-3A in the non-filer process. This is departmental SOP guidance and should not be confused with changing the statutory return due date. citeturn0search2

18. Records to keep

• copy of GSTR-3A notice;
• return period and return type;
• sales register;
• purchase/ITC register;
• GSTR-2B;
• GSTR-1 data;
• GSTR-3B workings;
• electronic liability/cash/credit ledgers;
• RCM calculations;
• interest and late-fee calculation;
• payment challans, where applicable;
• filing acknowledgement; and
• any assessment order or subsequent communication.

19. Return-default reconciliation

Before responding to a Section 46 notice, prepare a return-specific reconciliation.

20. Construction and infrastructure examples

For construction, mining, roads, irrigation and infrastructure businesses, delayed returns can involve large tax amounts because RA bills, subcontractor invoices, mobilisation advances, RCM and multiple project GSTINs interact.

21. Detailed practical examples

Example 1 — GSTR-3B not filed

A regular taxpayer misses its monthly return. A GSTR-3A notice is issued. The taxpayer prepares the return, calculates interest/late fee and files within the notice period.

Example 2 — GSTR-3A ignored

The taxpayer does not respond. The proper officer may proceed with best-judgment assessment under the applicable Section 62 framework.

Example 3 — tax already paid but return missing

Cash ledger contains sufficient balance but the return is not filed. The taxpayer should file the return and correctly utilise the available balance rather than assuming the ledger balance itself satisfies the filing obligation.

Example 4 — ITC reconciliation issue

The return is delayed because the purchase team has not completed reconciliation. The tax team should not leave the return indefinitely unfiled; it should determine eligible ITC using the law applicable to the period and complete the filing.

Example 5 — annual return

A taxpayer required to file GSTR-9 fails to do so and receives a Section 46 notice. The annual return should be filed after validating the financial-year data.

Example 6 — GSTR-10

A cancelled GSTIN fails to file GSTR-10. The GSTR-3A notice specifically refers to the final return and gives the prescribed opportunity to file it.

Example 7 — retrospective cancellation

The cancellation order specifies a retrospective effective date. The taxpayer checks all return periods affected and separately determines the final-return requirement.

Example 8 — construction company

A project GSTIN misses a GSTR-3B because the accounts team is waiting for site data. The company immediately consolidates site books, RA bills, RCM and ITC data and responds within the notice period.

Example 9 — multiple GSTINs

A company receives a notice for one State GSTIN. It should not assume that filing a return for another GSTIN resolves the notice.

Example 10 — assessment already issued

A taxpayer discovers that an ASMT-13 order was issued after continued non-filing. The taxpayer examines the order date, statutory remedy and applicable provisions rather than assuming that a late return alone automatically cancels the assessment.

22. Legislative timeline

23. Legal authorities to check

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24. Professional response workflow

25. Internal controls

26. Common mistakes

• Ignoring a GSTR-3A notice because it appears system-generated.
• Confusing GSTR-3A with GSTR-3B.
• Assuming the notice itself is the final tax demand.
• Failing to identify the exact return period and return type.
• Waiting until the 15-day period is almost over before beginning reconciliation.
• Assuming payment without filing the return closes the default.
• Ignoring interest and late fee.
• Failing to respond after a cancelled GSTIN receives a GSTR-10 notice.
• Assuming a late return automatically cancels an assessment order already issued.
• Not retaining the notice, return acknowledgement and payment evidence.

27. Section 46 GST FAQs

What is Section 46 of the CGST Act?

Section 46 provides for a notice to a registered person who fails to furnish a return required under the specified return provisions.

What is a GSTR-3A notice?

GSTR-3A is the prescribed notice under Rule 68 for a return defaulter under Section 46.

How many days are given in a GSTR-3A notice?

The prescribed notice requires the defaulting person to furnish the relevant return within 15 days.

What happens if GSTR-3A is ignored?

For specified returns, the proper officer may proceed with best-judgment assessment under Section 62 or other applicable statutory consequences.

Can I file the return after receiving GSTR-3A?

Yes. The purpose of the notice is to require the return to be furnished, and the prescribed form states that the notice is deemed withdrawn if the relevant return is filed before the assessment order is issued.

Does Section 46 apply to GSTR-3B?

Section 46 applies to returns under Section 39, and the regular taxpayer's periodic return framework falls within that provision.

Does Section 46 apply to GSTR-9?

Yes. Section 46 expressly refers to failure to furnish the annual return under Section 44.

Does Section 46 apply to GSTR-10?

Yes. Section 46 expressly covers the final return under Section 45, and FORM GSTR-3A contains a specific final-return notice format.

Is GSTR-3A the same as GSTR-3B?

No. GSTR-3B is a return; GSTR-3A is a notice to a return defaulter.

Does receiving GSTR-3A mean tax has already been assessed?

No. GSTR-3A is a notice requiring filing. A subsequent best-judgment assessment is a separate step.

Can the department issue assessment without another notice after GSTR-3A?

Circular 129/48/2019-GST states that, in the covered non-filer process, no separate communication is required before proceeding with Section 62 best-judgment assessment after the GSTR-3A period expires.

What should I do immediately after receiving GSTR-3A?

Identify the exact period and return, reconcile books with GST data, calculate liability/interest/late fee, file the return and preserve evidence.

Does GSTR-3A automatically cancel GST registration?

No. Return default and cancellation are separate legal processes, although persistent non-compliance can have cancellation consequences under the applicable provisions.

28. Related provisions