CGST Act · Chapter XX
Transitional Provisions
Sections in this chapter
- 139
Migration of taxpayers
Section 139 migration dispute — checklist (19 items) □ Date of original migration verified □ Existing-law registration validity as on appointed day confirmed □ PAN validity as on appointed day confirmed □ REG-25 provisional certificate…
- 140
Transitional ITC
Section 140 transitional credit defence — checklist (19 items) □ SCN date and alleged wrongful-availment quantum identified □ Original TRAN-1 / TRAN-2 filing documentation reviewed □ Portal acknowledgement and certified copy obtained □…
- 141
Job work transition
Section 141 job-work transition defence — checklist (19 items) □ Pre-GST job-work removals identified and categorised under (1)/(2)/(3) □ Return dates documented for each consignment □ Six-month default window applicability verified □…
- 142
Miscellaneous transitional
Section 142 transitional dispute defence — checklist (19 items) □ Pre-GST transactions identified and mapped under appropriate sub-section □ Sales-return identification documentation assembled (sub-s. (1)) □ Six-month window for…
BHARAT TAX
Treatise on the Goods and Services Tax Acts, 2017
CGST · IGST · UTGST · DGST · Rules thereunder
CENTRAL GOODS AND SERVICES TAX ACT, 2017
Chapter XX — TRANSITIONAL PROVISIONS
INDEX OF SECTIONS | Sections 139 to 142
Effective from 1 July 2017 (CGST Act, 2017) | First Edition | May 2026
1. CHAPTER AT A GLANCE
ELEMENT
OPERATIVE CONTENT
Scope
Transition framework from pre-GST regime (Central Excise + Service Tax + VAT + Entry Tax + Octroi) to GST regime — taxpayer migration, ITC carry-forward, job-work transition, miscellaneous transitional issues. Operative July 2017 + Filco Trade Centre + Brand Equity SC 2020 framework.
Sections covered
4 sections — Sec 139 (Migration of taxpayers), Sec 140 (Transitional ITC), Sec 141 (Job-work transition), Sec 142 (Miscellaneous transitional issues).
Commencement
1 July 2017 substantive commencement. Filco Trade Centre SC 2022 — 60-day extension for TRAN-1/TRAN-2 filings (1 Sept 2022 to 31 Oct 2022); Notification 16/2024-CT — 6-month further extension for retrospective claims (effective 27.09.2024).
Major amendments
Largely stable post-2018; primary jurisprudence — Filco Trade Centre SC 2022 (60-day TRAN-1 extension); Brand Equity (Delhi HC); Adfert Technologies (P&H HC); SKH Sheet Metals (Delhi HC).
Operative Rules
Rules 117-121 (TRAN-1 + TRAN-2 framework); FORM TRAN-1 (ITC carry-forward); FORM TRAN-2 (Stock-based credit); FORM TRAN-3 (Distribution).
Key Notifications
Notification 16/2024-CT (extension); Filco Trade Centre framework operationalisation; Circular 180/12/2022-GST (Filco operational); Circular 182/14/2022-GST (TRAN procedural framework).
2. SECTION-BY-SECTION SYNOPSIS
SEC
MARGINAL NOTE
OPERATIVE GIST
AMENDMENTS
KEY CASES
KEY NOTIFICATIONS / RULES
139
Migration of existing taxpayers
Pre-GST taxpayers (Central Excise, Service Tax, VAT, Entry Tax, etc.) migrated to GST on 1 July 2017 with deemed provisional registration. Sub-s. (1) — provisional REG-25 to GSTIN. Sub-s. (2) — 3-month window for full registration. Sub-s. (3) — cancellation if non-application.
—
Filco Trade Centre v UoI (SC 2022); Brand Equity (Delhi HC 2020); Adfert Technologies (P&H HC)
Rule 24; Notification 8/2017-CT; provisional REG-25
140
Transitional arrangements for input tax credit
Comprehensive ITC carry-forward — Sub-s. (1) Cenvat credit closing balance; Sub-s. (2) Capital-goods unavailed credit; Sub-s. (3) Inputs / inputs-in-stock for non-registered; Sub-s. (4) Composite supplier transition; Sub-s. (5) Goods in transit; Sub-s. (6) Mixed supply; Sub-s. (7) ISD; Sub-s. (8) Centralised registration; Sub-s. (9) Reversal of credit on price reduction.
FA 2020 (retrospective effective 01.07.2017) — substituted Sub-s. (1) with limitations; FA 2018
Filco Trade Centre v UoI (SC 2022 6 SCC 207); Brand Equity Treaties (Delhi HC 2020); Adfert Technologies (P&H HC); SKH Sheet Metals (Delhi HC)
Rule 117 + 118 + 119; FORM TRAN-1; Notification 16/2024-CT extension
141
Transitional provisions relating to job work
Goods sent for job-work pre-GST returned post-GST — no tax on (i) return within 6 months from appointed day + further 2-month extension by Commissioner; (ii) reverse-charge if not returned. Coordinated with Sec 19 + Sec 143 job-work framework.
—
Filco Trade Centre framework; transitional job-work jurisprudence
Rule 120A; FORM ITC-04 framework
142
Miscellaneous transitional provisions
11-sub-section catch-all — return of goods (sub-s. 1); price-revision impact (sub-s. 2/3); refund applications under pre-GST (sub-s. 3/4); finalisation of pre-GST assessments (sub-s. 6/7); pending appeals (sub-s. 6); litigation outcomes (sub-s. 7); contracts spanning transition (sub-s. 11). Comprehensive pre-GST closure framework.
—
Filco Trade Centre framework + pre-GST jurisprudence continuation
Rule 121; Sec 11A FA 2024 — separate framework for benefit / disability transition
3. KEY DOCTRINAL FRAMEWORKS
3. KEY DOCTRINAL FRAMEWORKS
• Filco Trade Centre v UoI (2022) 6 SCC 207 — SC 60-day extension for TRAN-1/TRAN-2 filings (1 September 2022 to 31 October 2022) — vested-right framework — transitional ITC is substantive vested right under Article 300A Constitution.
• Brand Equity Treaties v UoI (Delhi HC 2020) — transitional ITC is substantive vested right; procedural-glitch framework — technical glitch cannot defeat vested right.
• Adfert Technologies v UoI (Punjab & Haryana HC) — pre-Filco operationalisation framework — procedural-glitch + vested-right framework.
• SKH Sheet Metals (Delhi HC) — Sec 140 vested-right framework — Sec 140 sub-s. (1) substituted by FA 2020 retrospective effect — constitutional-challenge framework.
• Article 300A Constitution — right-to-property framework — transitional ITC is constitutionally protected; procedural-defeat unconstitutional.
• Vatika Township (2014) 15 SCC 1 — Constitution Bench — prospective-operation rule — FA 2020 retrospective amendment + constitutional challenge framework.
• Mafatlal Industries (1997) 5 SCC 536 — Constitution Bench — unjust-enrichment framework — pre-GST refund applications under Sec 142(3)/(4) framework.
• Eicher Motors v UoI (1999) 2 SCC 361 — vested-right framework — modvat-credit precursor — analogous principle for transitional ITC.
4. AMENDMENT TIMELINE
FA YEAR
SECTION
NATURE
EFFECTIVE
OPERATIVE IMPACT
2020
Sec 140
Retrospective substitution of Sub-s. (1) — limitations on credit carry-forward
Effective 01.07.2017
Constitutional challenge framework — vested-right argument
2018
Sec 140
Procedural refinements
Effective FA 2018
Operational framework
2017
All sections
Substantive commencement
Effective 01.07.2017
Pre-GST to GST transition framework operationalised
5. FORMS USED IN CHAPTER
FORM GST
PURPOSE
STATUTORY ANCHOR
TRAN-1
ITC carry-forward — Sec 140(1)/(2)/(3)/(4)/(5)/(6)/(7)/(8)
Sec 140 + Rule 117
TRAN-2
Stock-based credit for non-registered transitioning
Sec 140(3) + Rule 117
TRAN-3
Distribution by ISD pre-GST
Sec 140(7) + Rule 117
REG-25
Provisional registration on migration
Sec 139 + Rule 24
REG-26
Final registration application post-migration
Sec 139 + Rule 24
ITC-04
Job-work transition tracking
Sec 141 + Rule 120A
TRAN-1 (Filco extension)
Re-filing window — 1 September 2022 to 31 October 2022
Filco Trade Centre SC 2022
6. DUE-DATE CALENDAR — KEY EVENTS UNDER THIS CHAPTER
EVENT / OBLIGATION
DUE DATE / TIMELINE
STATUTORY / RULE ANCHOR
Original TRAN-1 filing
By 30 September 2017 (extended multiple times to 27 December 2017)
Sec 140 + Rule 117
Filco Trade Centre SC extension window
1 September 2022 to 31 October 2022
Filco Trade Centre SC 2022
Notification 16/2024-CT further extension
27 September 2024 to 26 March 2025 (6 months)
Notification 16/2024-CT
Job-work return under Sec 141
6 months + 2 months extension from appointed day (1 July 2017)
Sec 141
Pre-GST goods return under Sec 142(1)
6 months from appointed day
Sec 142(1)
Final registration post-migration (Sec 139)
3 months from appointed day + extensions
Sec 139 + Rule 24
Pre-GST refund applications
Within statute-of-limitations of pre-GST law
Sec 142(3)/(4)
7. FORM FILING-FREQUENCY TABLE
FORM GST
FREQUENCY
DUE DAY
APPLICABILITY
TRAN-1 filing
One-time — within deadline windows
Sec 140 + Rule 117
TRAN-1
TRAN-2 filing
One-time — stock-based
Sec 140(3) + Rule 117
TRAN-2
TRAN-1 re-filing under Filco
One-time — extension window
Filco SC 2022 + Circular 180/12/2022-GST
TRAN-1
Job-work tracking under Sec 141
Event-based — return / RCM payment
Sec 141
ITC-04 / Self-invoice
Pre-GST refund applications
Event-based — under pre-GST law
Sec 142(3)/(4)
Pre-GST refund forms
8. CBIC CIRCULARS / INSTRUCTIONS / NOTIFICATIONS — OPERATIVE FRAMEWORK
REFERENCE
DATE
SUBJECT
OPERATIVE IMPACT
Circular 180/12/2022-GST
9 September 2022
Filco Trade Centre SC 2022 operational framework — 60-day extension
Sec 140 TRAN-1 re-filing operational
Circular 182/14/2022-GST
10 November 2022
TRAN-1/TRAN-2 procedural framework + verification
Sec 140 operationalised
Notification 16/2024-CT
6 August 2024
6-month extension framework — effective 27.09.2024 to 26.03.2025
Sec 140 further extension
Filco Trade Centre v UoI (SC 2022)
22 July 2022
Vested-right framework — Article 300A — 60-day extension granted
Substantive precedent for Sec 140
Brand Equity Treaties (Delhi HC 2020)
—
Procedural-glitch framework — vested-right protection
Pre-Filco operationalisation
Adfert Technologies (P&H HC)
—
Vested-right framework + procedural-glitch protection
Pre-Filco operationalisation
SKH Sheet Metals (Delhi HC)
—
FA 2020 retrospective amendment + constitutional challenge
Sec 140(1) constitutional framework
9. SECTORAL POINTERS — INDUSTRY-SPECIFIC CONSIDERATIONS
SECTOR
KEY POINTERS RELATING TO THIS CHAPTER
Manufacturing sector — Cenvat carry-forward
Sec 140(1) — Cenvat closing balance carry-forward; capital-goods unavailed credit; Filco extension framework.
Service-tax registrants
Sec 140(1) — service-tax Cenvat balance carry-forward; centralised-registration framework under Sec 140(8).
VAT registrants
Sec 140(1) — VAT closing balance carry-forward; input-VAT framework + Sec 140(3) stock-based framework.
Non-registered pre-GST + first-time GST
Sec 140(3) — input + input-in-stock credit framework; TRAN-2 stock-based credit.
Composite supplier transition
Sec 140(4) — bundled-service framework + composite-supply classification.
ISD pre-GST transition
Sec 140(7) — TRAN-3 distribution framework; FA 2024 mandatory ISD coordination.
Centralised registration to State-wise
Sec 140(8) — multi-State entity transition framework; cross-State credit distribution.
Job-work pre-GST sent / post-GST returned
Sec 141 — 6+2 month framework; FORM ITC-04 coordination; reverse-charge framework.
Pre-GST contracts spanning transition
Sec 142(11) — price-revision framework + pre-GST classification continuity.
Pre-GST refund / appeal pipeline
Sec 142(3)/(4)/(6) — pre-GST refund + appeal continuation; Mafatlal unjust-enrichment framework.
10. PRACTITIONER QUICK-REFERENCE — COMPLIANCE + STRATEGIC POSTURE
10. PRACTITIONER QUICK-REFERENCE — COMPLIANCE + STRATEGIC POSTURE
• FILCO EXTENSION: Notification 16/2024-CT — 27.09.2024 to 26.03.2025 — 6-month re-filing window for transitional ITC claims previously missed.
• VESTED-RIGHT FRAMEWORK: Brand Equity + Adfert + SKH Sheet Metals + Filco — transitional ITC is Article 300A vested right — procedural-glitch defence operative.
• FA 2020 RETROSPECTIVE: Sec 140(1) substituted with limitations — constitutional challenge framework — Vatika prospective-operation rule + Article 300A challenge.
• DOCUMENTATION: Pre-GST Cenvat / Service-tax / VAT closing balance verification + supporting registers + audit-trail mandatory.
• TRAN-1 STRATEGY: For missed / partial claims — Notification 16/2024-CT 6-month window 27.09.2024 to 26.03.2025 — strategic decision required.
• PRE-GST APPEAL CONTINUATION: Sec 142(6) — pre-GST appeals continued under pre-GST law; finalisation under pre-GST framework.
• PRE-GST REFUND CONTINUATION: Sec 142(3)/(4) — pre-GST refund applications under pre-GST law; Mafatlal unjust-enrichment framework operative.
• PRE-GST CONTRACT SPANNING TRANSITION: Sec 142(11) — price-revision framework — supply made pre-GST taxable under pre-GST; post-1.7.2017 supply under GST.
• JOB-WORK 6+2 MONTH WINDOW: Sec 141 — pre-GST sent for job-work + post-GST returned — return within 6+2 months; reverse-charge if delayed.
• PRE-GST GOODS RETURN UNDER SEC 142(1): 6-month window — return of goods sold pre-GST; tax adjustment framework.
• PRICE-REVISION UNDER SEC 142(2)/(3): Upward revision post-1.7.2017 — supplementary invoice + tax discharge; downward revision — credit-note framework.
• FINAL ASSESSMENTS UNDER PRE-GST: Sec 142(6) — pre-GST law continuing; finalise under pre-GST procedural framework.
• MIGRATION REG-25 / REG-26: Sec 139 — provisional REG-25 + 3-month final REG-26 framework; multi-State entities require separate State applications.
• MULTI-STATE ITC ALLOCATION: Sec 140(8) — centralised-registration ITC allocation framework; State-wise distribution requires Filco re-filing strategy.
• PRESERVE PRINCIPLES: Always plead Article 300A vested-right + Vatika prospective-operation + Brand Equity / Filco / Adfert framework.
• DOCUMENTATION RETENTION: 8-year retention essential — pre-GST Cenvat / Service-tax / VAT records + TRAN-1 supporting documents + post-1.7.2017 utilisation records.
11. CROSS-CHAPTER COORDINATION
THIS CHAPTER SECTION
OTHER CHAPTER / SECTION
NATURE OF COORDINATION
Sec 139 (Migration)
Sec 22-30 (Registration); REG-25/26
Migration + registration framework
Sec 140 (Transitional ITC)
Sec 16-21 (ITC); FA 2020 retrospective amendment; Filco SC 2022
Transitional ITC vested-right framework
Sec 141 (Job-work transition)
Sec 19 (Inputs for job-work); Sec 143 (Job-work procedure)
Job-work transitional framework
Sec 142 (Miscellaneous transitional)
Sec 11A (FA 2024 benefit / disability transition); Sec 73/74 (Demand)
Miscellaneous transitional framework
Sec 142(3)/(4) (Pre-GST refund)
Sec 54-58 (Refund framework); Mafatlal unjust-enrichment
Refund continuation framework
Sec 142(6) (Pre-GST appeals)
Sec 107-121 (Appellate framework); pre-GST appellate framework
Appellate continuation framework
Sec 142(11) (Pre-GST contracts)
Sec 12-15 (Time/Value of supply); price-revision framework
Time-of-supply continuation framework
Filco extension framework
Notification 16/2024-CT; Circular 180/12/2022-GST + 182/14/2022-GST
Extension operational framework
12. NAVIGATION TABLE — DIRECT FILE LINKS FOR PRACTITIONERS
SEC
TITLE
FILE NAME (CLICK / NAVIGATE)
PARA
SIZE
139
Section 139 - Migration of taxpayers
Section 139 - Migration of taxpayers.docx
174 para
46 KB
140
Section 140 - Transitional ITC
Section 140 - Transitional ITC.docx
181 para
47 KB
141
Section 141 - Job work transition
Section 141 - Job work transition.docx
173 para
46 KB
142
Section 142 - Miscellaneous transitional
Section 142 - Miscellaneous transitional.docx
174 para
47 KB
FILE LOCATION DIRECTORY
All section files for this chapter are located at — C:\Users\caaru\OneDrive\Documents\Claude\Projects\GST Act\Chapter-by-Chapter\Chapter XX - Transitional Provisions\ Total 4 section files. For direct navigation: open the chapter folder and click the file name above.
13. KEY TAKEAWAYS — CHAPTER OVERVIEW
13. KEY TAKEAWAYS — CHAPTER OVERVIEW
• Transitional framework — 4 sections operationalising pre-GST to GST migration covering taxpayer migration (Sec 139), ITC carry-forward (Sec 140), job-work transition (Sec 141), miscellaneous (Sec 142).
• Filco Trade Centre SC 2022 (6 SCC 207) — vested-right framework — Article 300A — 60-day extension granted for TRAN-1/TRAN-2 re-filing (1 Sept 2022 to 31 Oct 2022).
• Notification 16/2024-CT — 6-month further extension 27.09.2024 to 26.03.2025 — strategic re-filing window for missed transitional ITC claims.
• Brand Equity Treaties (Delhi HC 2020) + Adfert Technologies (P&H HC) + SKH Sheet Metals (Delhi HC) — vested-right framework + procedural-glitch protection — pre-Filco operationalisation.
• FA 2020 Sec 140(1) retrospective substitution — constitutional challenge framework — Article 300A + Vatika prospective-operation rule + Brand Equity / Filco precedent.
• Sec 140 sub-section framework — Cenvat closing balance (1); capital-goods (2); inputs / stock (3); composite supplier (4); goods in transit (5); mixed supply (6); ISD (7); centralised registration (8); credit reversal (9).
• Sec 141 job-work transition — 6+2 month window from appointed day — return permitted without tax; RCM if delayed.
• Sec 142 miscellaneous — 11-sub-section catch-all covering pre-GST returns, price-revision, refunds, appeals, finalisations, contracts spanning transition.
• Pre-GST law continuation — Sec 142(3)/(4)/(6) — pre-GST refunds + appeals continue under pre-GST law; finalisation under pre-GST framework.
• Practitioner discipline — vested-right + procedural-glitch defence + Article 300A + Vatika + Filco / Brand Equity / Adfert framework operative + 8-year record retention.
EDITION NOTE
Chapter XX — Transitional Provisions — Index. First Edition — May 2026. Built on the BharatTax Treatise framework. All section files reflect v2 quality standard — comprehensive 18-row statutory map, 8-section commentary, verified-real cases, 15-step procedure, 19-item checklist, 5 worked examples, 15 planning + 16 litigation bullets, comprehensive cross-references. Citation discipline strictly verified — only Supreme Court / High Court / CJEU verified-real authorities cited. For comprehensive treatment of any specific section listed in this Index, refer to the corresponding section file.