Complete GST Amendment Guide

Not Every GST Change Needs the Same Approval Route.

Some GST details are treated as core fields and need officer approval. Others are non-core fields and can be updated through the portal with proper verification. We help you choose the correct path before filing.

GST Amendment Support

Before filing, we classify your change as core or non-core and prepare the right proof.

Wrong GST amendment filing can delay approval, trigger clarification, or leave old details visible on your GST certificate. We help you update records cleanly before bank, marketplace, vendor or department checks.

✓Check whether the change is core or non-core before filing.
✓Prepare address proof, NOC, rent agreement, board/partner authorisation and KYC documents.
✓File GST REG-14 amendment with correct tabs and attachments.
✓Handle clarification and approval follow-up where officer approval is required.
✓Guide certificate download and post-amendment updates for invoices, marketplaces and banks.

Start your company today

⬇ Get your free process & quotation

Fill this form — our expert calls back within 15 minutes with the full process document and transparent quotation

16 registrations started today — limited expert slots







    🔒 Confidential✓ No hidden fees✓ No obligation
    Why GST Amendment Matters

    Your GST Certificate Should Match Your Actual Business Details.

    GST registration details are used by customers, marketplaces, banks, vendors and tax officers. Outdated details can create invoice mismatch, refund issues, e-way bill problems and vendor onboarding delays.

    📍

    Address accuracy

    Update principal or additional place of business with correct proof.

    🏷️

    Trade name update

    Keep your GST certificate aligned with business branding and invoices.

    👤

    Authorised signatory

    Update responsible person, mobile, email and signing access.

    🏦

    Bank and business details

    Clean details help refunds, vendor due diligence and reconciliations.

    🧾

    Invoice consistency

    Wrong address or trade name can create avoidable customer disputes.

    ✅

    Approval follow-up

    Core amendments may need department approval and clarification response.

    Eligibility Snapshot

    Core vs Non-Core GST Amendment.

    GST portal separates registration changes into categories. This affects approval, documents and timeline.

    Core Fields

    Important Details Usually Requiring Approval

    Legal nameBusiness identity
    Principal placeAddress proof
    Additional placeBranch/warehouse
    StakeholdersPromoter/partner
    ApprovalOfficer review
    Non-Core Fields

    Routine Details Updated Through Portal

    Mobile/emailOTP verified
    Bank detailsAccount update
    Business activityEditable
    Goods/servicesHSN/SAC update
    ApprovalUsually faster
    Documents Required

    Documents Needed for GST Amendment.

    Documents depend on the amendment type. Address and stakeholder changes need stronger proof than simple contact or bank updates.

    For Address Amendment

    • Latest electricity bill or property tax receipt
    • Rent agreement or ownership proof
    • NOC from owner, where applicable
    • Photograph or geo-tag proof, if asked
    • Board/partner authorisation
    • Updated business place details

    For Signatory / Stakeholder

    • PAN and Aadhaar of signatory
    • Photo and contact details
    • Authorisation letter or board resolution
    • DSC or EVC access
    • Partner/director change proof
    • Email and mobile OTP access

    For Business Details

    • GST login credentials
    • Updated trade name details
    • Bank account proof if relevant
    • Business activity details
    • HSN/SAC or service details
    • Existing GST certificate
    5-Step Process

    How CompanyJi Handles GST Amendment.

    We review the change, prepare documents, file through the correct GST portal route and guide approval follow-up.

    01

    Change Review

    We identify whether your GST update is core, non-core or requires separate compliance.

    02

    Document Check

    We verify proof, NOC, authorisation and portal access before filing.

    03

    Portal Filing

    We prepare and file the amendment application with correct tabs and attachments.

    04

    Clarification Support

    If the officer asks for clarification, we help respond with proper documents.

    05

    Certificate Update

    We guide certificate download and update checks after approval.

    Compare Before Filing

    Core Amendment vs Non-Core Amendment vs New GST Registration.

    Not every change should be filed as a simple amendment. Some changes may require a new registration or business-structure review.

    Parameter
    Core Amendment
    Non-Core Amendment
    New Registration
    Best for
    Address, legal name, stakeholder changes
    Contact, bank, activity updates
    New entity or state
    Approval
    Officer approval usually needed
    Often auto-updated
    Fresh registration approval
    Documents
    Strong proof required
    Limited proof
    Full KYC and address proof
    Risk
    Clarification possible
    Lower
    Higher if wrong route chosen
    Common example
    Principal place change
    Bank/mobile update
    Business in another state
    Everything You Need to Know

    GST Amendment FAQs

    Detailed answers on GST registration amendment, core and non-core fields, address change, trade name update, authorised signatory, documents, timelines, approval and practical business issues.

    Need to update GST details? File the amendment correctly.

    Share your GSTIN, current details and proposed change. CompanyJi will review the amendment type, documents and filing route before submitting the GST amendment application.

    Request GST Amendment Support →