Invozen Blog

Insights on GST compliance, automation, and technology for modern CAs

19 October 2026 · Invozen Team

RCMDOM and RCMIMP: What GSTN's RCM Self-Invoice Sandbox Means

GSTN has added RCMDOM and RCMIMP to IRP sandboxes for recipient-generated RCM self-invoices. Here is what the 16 October 2026 advisory says, what is not live yet, and what CA teams can prepare.

GST Updates Reverse Charge

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15 October 2026 · Invozen Team

GST ISD vs Cross-Charge: How to Handle Shared Services Across GSTINs

ISD and cross-charge solve different GST questions. Learn when common input-service credit must be distributed, how Rule 39 allocation works, and what CA teams should check across registrations.

GST Compliance ITC

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12 October 2026 · Invozen Team

GST Refund Annexure-B: Checks Before You Upload the ITC JSON

GSTN now requires its Annexure-B offline utility for specified accumulated-ITC refund claims. Learn which claims it covers, what the two tables capture, and what to check before uploading the JSON with RFD-01.

GST Refund ITC

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8 October 2026 · Invozen Team

GST Multistate Registration: A CA Guide to the New Master TRN Facility

GSTN's October 2026 Multistate Registration facility lets eligible applicants enter common details once before completing separate State and UT applications. Here is how the workflow works and what remains State-specific.

GST Registration GST Updates

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6 October 2026 · Invozen Team

Rule 37A ITC Reversal for FY 2025-26: A CA Checklist

For ITC availed in FY 2025-26, Rule 37A sets a supplier GSTR-3B filing check by 30 September 2026 and a reversal deadline of 30 November 2026. Here is what to verify.

GST Filing ITC

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3 October 2026 · Invozen Team

GST Appeal Against NIL Demand: APL-01 Portal Update for 2026

GSTN removed the portal block on certain APL-01 appeals where a demand order shows NIL or zero after payment made before the order. Learn which cases the update covers and what CA teams should verify before filing.

GST Appeals GST Notices

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29 September 2026 · Invozen Team

GST Registration Suspended for Missing Bank Details: Rule 10A Fix and CA Checklist

GST registrations can now be auto-suspended when required bank account details are not furnished on time. Learn the Rule 10A deadline, who is exempt, how to add bank details through non-core amendment, and what CA teams should check after suspension.

GST Registration GST Compliance

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25 September 2026 · Invozen Team

GSTR-3B Interest Calculation from January 2026: What Accountants Must Check

The GST portal changed how it computes interest in GSTR-3B from the January 2026 tax period. Here is what the Electronic Cash Ledger benefit, tax liability breakup, ITC cross-utilisation, and GSTR-10 update mean for CA teams.

GST Filing GSTR-3B

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21 September 2026 · Invozen Team

GST ASMT-10 Notice: How CA Teams Should Investigate and Reply to Return Discrepancies

Received a GST ASMT-10 scrutiny notice? Learn what the notice means, how ASMT-10 differs from DRC-01B, which records to collect, when to pay or explain, and how to prepare a defensible ASMT-11 reply.

GST Notices GST Compliance

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17 September 2026 · Invozen Team

GSTR-1A Before GSTR-3B: The GST Correction Window Accountants Should Not Miss

GSTR-1A gives taxpayers one more opportunity to add or amend outward supply records before filing GSTR-3B. Learn when it opens, what can be corrected, what cannot, and how CA teams can build it into their monthly review workflow.

GST Filing GSTR-1A

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11 September 2026 · Invozen Team

IMS Under GST: Accept, Reject, Pending and What Happens to GSTR-2B

The Invoice Management System changes how purchase invoices reach GSTR-2B. Here is what Accept, Reject, Pending, and No Action mean, when the 14th matters, and how CA teams can build a reliable monthly IMS routine.

GST Filing ITC

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7 September 2026 · Invozen Team

One Dashboard, Fifty GSTINs: Why CA Firms Need Separate Client Workspaces

Managing several client GSTINs from one spreadsheet creates the wrong kind of convenience. Here is why separate workspaces, controlled staff access, and one consolidated view make a CA firm's monthly invoice workflow easier to manage.

Product CA Practice

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2 September 2026 · Invozen Team

The Invoice Was Approved. Then What? What Invozen Creates in Tally

Approval is not the end of invoice processing. Here is what Invozen sends to Tally, how ledgers and stock items are mapped, and why the export should create a usable voucher rather than another spreadsheet to clean up.

Product Tally Integration

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1 September 2026 · Invozen Team

GSTR-1 vs GSTR-3B Mismatch: Why the Portal Sends a DRC-01B Notice

What DRC-01B actually is, the threshold that triggers it, why the seven-day reply window matters more than the notice itself, and why the mismatch usually starts with how the two returns get prepared.

GST Filing GSTR-1

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25 August 2026 · Invozen Team

Reverse Charge Mechanism (RCM) Under GST: When the Buyer Pays the Tax

When RCM applies under Section 9(3) and 9(4), the notified goods and services list, why RCM tax cannot be paid from the ITC ledger, and why the credit is claimable the same month it is paid.

GST Filing RCM

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19 August 2026 · Invozen Team

GSTR-9 Annual Return: Due Date, Who Must File, and the Reconciliations That Fail

The GSTR-9 due date, the turnover thresholds that decide whether you file 9, 9C or nothing at all, why the return cannot be revised, and the four cross-checks that surface problems after it is too late to fix them.

GST Filing Annual Return

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13 August 2026 · Invozen Team

Section 17(5) of the CGST Act: The Complete List of ITC You Cannot Claim

Blocked credits under GST, clause by clause - motor vehicles, food, insurance, club memberships, construction - plus the exceptions that make each one claimable again, and the mistakes that turn up in audit.

GST Filing ITC

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10 August 2026 · Invozen Team

Not Just for Accountants: The Three People Who Actually Open Invozen

GST invoice software sounds like a tool for the accounts department. In practice, the business owner and the CA end up opening it just as often - each for a different reason. Here's what each of them actually gets out of it.

Product Workflow

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6 August 2026 · Invozen Team

Section 16(4): The ITC Deadline Nobody Puts on a Calendar

GST return deadlines get a calendar reminder. Section 16(4) - the date after which last year's input tax credit simply stops being claimable - usually doesn't. Here's what the rule actually says, why it's easy to miss, and what to check before it's too late.

GST Filing Product

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4 August 2026 · Invozen Team

The Vendor Everyone Kept Reconciling Around: Why Invozen Scores Compliance Per Vendor, Not Per Invoice

One mismatched invoice in March, another in June, a third in September - each one closed out on its own and forgotten. Why Invozen tracks compliance by vendor across periods, not just by invoice within a period.

Product GST Filing

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31 July 2026 · Invozen Team

The Credit You Thought You Had: Why Invozen Tracks ITC Before the Quarter Closes

ITC claimed in GSTR-3B and ITC actually available in GSTR-2B quietly drift apart, and the gap surfaces months later at annual return time. Why Invozen classifies every ITC mismatch by exact cause and locks the ledger once a quarter is finalized.

Product GST Filing

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28 July 2026 · Invozen Team

The Change Nobody Remembered Making: Why Every Edit in Invozen Has a Name on It

A figure in a filed return doesn't match what the books said last month, and nobody can say who changed it or when. Why Invozen scopes what each team member can touch - and keeps a record of every change that gets through.

Product Workflow

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22 July 2026 · Invozen Team

Two Sets of Hands, One Invoice: Why Invozen Updates Everyone the Moment Anything Changes

A firm owner approves an invoice a staff member is halfway through editing on another screen - and why Invozen keeps every open workspace in sync in real time instead of waiting for someone to hit refresh.

Product Workflow

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20 July 2026 · Invozen Team

The File That Would Have Bounced: Why Invozen Checks Your Return Before the Portal Does

A GSTIN with a wrong check digit, an HSN code that's a character short - the kind of error the GST portal rejects on upload. Why Invozen catches it before the file ever leaves the building.

GST Filing Product

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16 July 2026 · Invozen Team

The Row Nobody Wanted to Find at Midnight: Why We Built Color-Coded GSTR-2B Matching

Row forty-three in a GSTR-2B reconciliation, found near midnight with no clear owner - and why Invozen sorts every invoice into green, amber, or red instead of leaving the hunt to a human.

Product GST Filing

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14 July 2026 · Invozen Team

The Invoice Our Scanner Almost Got Wrong: Why We Built a Second Pair of Eyes Into Invozen

A blurry phone photo, a confidently wrong reading, and why Invozen only reaches for a slower, smarter re-read when the fast one actually looks shaky.

Product OCR

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13 July 2026 · Invozen Team

One Invoice, Five Places: Why We Built a Single Queue for Every Channel

A Monday morning ritual of checking an inbox, a WhatsApp thread, and a spreadsheet just to find out what came in - and why we built one queue that every channel feeds into instead.

Product Automation

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7 July 2026 · Invozen Team

Why We Built Invozen: Fixing GST Filing, One Reconciliation at a Time

A CA firm's filing week, the reconciliation hunt that starts near midnight, and why we built Invozen around three distinct problems instead of one.

GST Filing Automation

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