GST · Field booklet

GST records, returns, and reconciliation booklet

A source-linked glossary and workflow booklet for GST registration, invoices, return labels, portal views, matching, and proof.

Educational reference only. Terms are simplified for orientation. Confirm current applicability, forms, deadlines, thresholds, and process details in the linked official source and with a qualified professional.

1. Registration language

Start by identifying the registration context before selecting a route.

GSTIN
The identifier assigned to a registered person in the GST system.
Normal taxpayer
One registration context shown in the official GST help; current eligibility must be checked.
Composition
A GST registration/levy context with its own official guidance and applicability questions.
Casual taxable person
A distinct registration context listed by the GST portal.
Input Service Distributor (ISD)
A registration context shown in GST portal help; use current official material for its process.

2. Invoice and return language

Return labels describe different data and filing lanes.

Outward supplies
Supplies made outward by a taxpayer; the GST returns help uses this concept with GSTR-1 activities.
GSTR-1
A GST return label associated with outward-supply details; applicability and timing are current-rule questions.
GSTR-1A
A return label shown in current GST portal help; use the portal for its process and applicability.
GSTR-3B
A GST return label the portal presents as a preparation and filing workflow.
Nil return
A portal workflow label for a return with no reportable activity in the relevant context; verify before using.

3. Matching and credit language

Comparison is a workflow step, not a claim of credit eligibility.

Input Tax Credit (ITC)
Credit that may be available subject to current GST conditions and the facts.
GSTR-2A
A GST portal view described as auto-drafted inward-supply details.
GSTR-2B
A GST portal view described as an auto-drafted ITC statement.
Purchase register
The firm’s internal record of purchases, used as a comparison source.
Mismatch
A difference between records that needs an explanation, evidence, owner, and review.

4. Operational portals

Some operational workflows are separate from a return itself.

e-Invoice
A separate GST operational portal/workflow; it is not assumed for every taxpayer or invoice.
IRN
An invoice-reference term used in e-invoice workflows; consult the live official portal.
e-Way Bill
A separate portal/workflow connected with movement-related facts; use current official guidance.
Offline utility
GST portal software support for preparing or matching data; it does not replace review.
JSON
A structured data-file format used by some portal or software workflows.

Primary official sources

  1. GST Portal — registration help
  2. GST Portal — returns help
  3. GST Portal — offline tools
  4. CBIC GST portal
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