Finin2min · GST Law Library
UTGST — Section 18: Transitional arrangements for input tax credit
Reviewed by CA Nikhil Gupta · Last reviewed 30 August 2026
Law checked: 27 Jul 2026Status: HISTORICAL / TRANSITIONALOfficial law prevails
Finin2min Summary — Section in 2 Minutes
UTGST section 18 deals with transitional arrangements for input tax credit.
- Identify the relevant electronic ledger and permitted utilisation route.
- Apply statutory order/restrictions before set-off.
- Reconcile transfer between Centre/Union territory accounts where required.
- Maintain ledger and return evidence.
Why this section matters
This provision is part of the Union Territory Goods and Services Tax Act, 2017. It should be read as a legal decision point, not as an isolated definition: identify the factual trigger, effective date, connected subordinate law and evidence before applying it.
Current-law and effective-date control
HISTORICAL / TRANSITIONAL — The provision remains part of the statute but addresses migration/transition into GST. Apply only to the relevant transition facts and periods.
official statutory reference
18. Transitional arrangements for input tax credit.—(1) A registered person, other than a person
opting to pay tax under section 10 of the Central Goods and Services Tax Act, shall be entitled to take, in
his electronic credit ledger, credit of the amount of Value Added Tax and Entry Tax, if any, carried
forward in the return relating to the period ending with the day immediately preceding the appointed day,
furnished by him under the existing law, not later than ninety days after the said day, in such manner as
may be prescribed:
Provided that the registered person shall not be allowed to take credit in the following circumstances,
namely:—
(i) where the said amount of credit is not admissible as input tax credit under this Act; or
(ii) where he has not furnished all the returns required under the existing law for the period of six
months immediately preceding the appointed day; or
(iii) where the said amount of credit relates to goods sold under such exemption notifications as are
notified by the Government:
Provided further that so much of the said credit as is attributable to any claim related to section 3,
sub-section (3) of section 5, section 6 or section 6A or sub-section (8) of section 8 of the Central Sales Tax
Act, 1956 (74 of 1956) that is not substantiated in the manner, and within the period, prescribed in rule 12 of
the Central Sales Tax (Registration and Turnover) Rules, 1957 shall not be eligible to be credited to the
electronic credit ledger:
Provided also that an amount equivalent to the credit specified in the second proviso shall be refunded
under the existing law when the said claims are substantiated in the manner prescribed in rule 12 of the Central
Sales Tax (Registration and Turnover) Rules, 1957.
(2) A registered person, other than a person opting to pay tax under section 10 of the Central Goods
and Services Tax Act, shall be entitled to take, in his electronic credit ledger, credit of the unavailed input
tax credit in respect of capital goods, not carried forward in a return, furnished under the existing law by
him, for the period ending with the day immediately preceding the appointed day in such manner as may
be prescribed:
Provided that the registered person shall not be allowed to take credit unless the said credit was
admissible as input tax credit under the existing law and is also admissible as input tax credit under this
Act.
Explanation.—For the purposes of this section, the expression “unavailed input tax credit” means the
amount that remains after subtracting the amount of input tax credit already availed in respect of capital
goods by the taxable person under the existing law from the aggregate amount of input tax credit to which
the said person was entitled in respect of the said capital goods under the existing law.
(3) A registered person, who was not liable to be registered under the existing law or who was engaged
in the sale of exempted goods or tax free goods or goods which have suffered tax at first point of their sale
in the Union territory and the subsequent sales of which are not subject to tax in the Union territory under
the existing law but which are liable to tax under this Act or where the person was entitled to the credit of
input tax at the time of sale of goods, shall be entitled to take, in his electronic credit ledger, credit of the
value added tax and entry tax, if any, in respect of inputs held in stock and inputs contained in semi-
finished or finished goods held in stock on the appointed day subject to the following conditions,
namely:—
(i) such inputs or goods are used or intended to be used for making taxable supplies under this
Act;
(ii) the said registered person is eligible for input tax credit on such inputs under this Act;
(iii) the said registered person is in possession of invoice or other prescribed documents
evidencing payment of tax under the existing law in respect of such inputs; and
(iv) such invoices or other prescribed documents were issued not earlier than twelve months
immediately preceding the appointed day:
Provided that where a registered person, other than a manufacturer or a supplier of services, is not in
possession of an invoice or any other documents evidencing payment of tax in respect of inputs, then, such
registered person shall, subject to such conditions, limitations and safeguards as may be prescribed,
including that the said taxable person shall pass on the benefit of such credit by way of reduced prices to
the recipient, be allowed to take credit at such rate and in such manner as may be prescribed.
(4) A registered person, who was engaged in the sale of taxable goods as well as exempted goods or
tax free goods under the existing law but which are liable to tax under this Act, shall be entitled to take, in
his electronic credit ledger,—
(a) the amount of credit of the value added tax and entry tax, if any, carried forward in a return
furnished under the existing law by him in accordance with the provisions of sub-section (1); and
(b) the amount of credit of the value added tax and entry tax, if any, in respect of inputs held in
stock and inputs contained in semi-finished or finished goods held in stock on the appointed day,
relating to such exempted goods or tax free goods in accordance with the provisions of
sub-section (3).
(5) A registered person shall be entitled to take, in his electronic credit ledger, credit of value
added tax and entry tax, if any, in respect of inputs received on or after the appointed day but the tax
in respect of which has been paid by the supplier under the existing law, subject to the condition that
the invoice or any other tax paying document of the same was recorded in the books of account of
such person within a period of thirty days from the appointed day:
Provided that the period of thirty days may, on sufficient cause being shown, be extended by the
Commissioner for a further period not exceeding thirty days:
Provided further that the said registered person shall furnish a statement, in such manner as may be
prescribed, in respect of credit that has been taken under this sub-section.
(6) A registered person, who was either paying tax at a fixed rate or paying a fixed amount in lieu of
the tax payable under the existing law shall be entitled to take, in his electronic credit ledger, credit of
value added tax in respect of inputs held in stock and inputs contained in semi-finished or finished goods
held in stock on the appointed day subject to the following conditions, namely:—
(i) such inputs or goods are used or intended to be used for making taxable supplies under this
Act;
(ii) the said registered person is not paying tax under section 10 of the Central Goods and
Services Tax Act;
(iii) the said registered person is eligible for input tax credit on such inputs under this Act;
(iv) the said registered person is in possession of invoice or other prescribed documents evidencing
payment of tax under the existing law in respect of inputs; and
(v) such invoices or other prescribed documents were issued not earlier than twelve months
immediately preceding the appointed day.
(7) The amount of credit under sub-sections (3), (4) and (6) shall be calculated in such manner as may
be prescribed.
Clause-by-clause Finin2min decode
- Trigger: identify the facts that bring section 18 into play.
- Legal consequence: apply the operative words of “Transitional arrangements for input tax credit” rather than a commercial label.
- Subordinate-law layer: test Rules, Forms, notifications, rate instruments or portal procedure authorised by the Act.
- Evidence layer: preserve records capable of proving each statutory condition and the relevant date.
Act–Rule–Form–Notification bridge
Finin2min decision path
- Identify the relevant electronic ledger and permitted utilisation route.
- Apply statutory order/restrictions before set-off.
- Reconcile transfer between Centre/Union territory accounts where required.
- Maintain ledger and return evidence.
Practical case studies
Case 1
A taxpayer tries to cross-utilise a credit against a liability that the statute does not permit—check the prescribed order first.
Case 2
Tax was paid under the wrong head—use the statutory correction/refund route rather than journal-only adjustment.
Case 3
A system ledger differs from books—preserve return, PMT and reconciliation evidence before correction.
Accounting, ERP & portal touchpoints
- Use a tax code that reflects the correct statute/head and effective date; ERP labels cannot override the Act.
- Reconcile statutory classification to invoice/return/payment data and preserve system audit trails.
- Where portal functionality implements the provision, retain acknowledgements, ARN/challan/order references and downloaded evidence.
Notice, litigation & evidence risk
- Do not rely on a current summary for an earlier tax period without checking the historical amendment position.
- Distinguish binding Supreme Court/High Court/GSTAT decisions from fact-specific AAR/AAAR outcomes.
- Preserve contemporaneous documents; post-facto explanations are weaker than transaction-time evidence.
Common mistakes to avoid
- Reading the section without its effective-date or commencement status.
- Using a GST Council recommendation as though it were a notified law.
- Stopping at the Act and ignoring the Rule/Form/notification that controls implementation.
- Assuming a portal outcome itself proves the legal position.
Questions professionals actually ask
What does UTGST section 18 cover?
It covers Transitional arrangements for input tax credit. Start with the statutory text, then apply the linked Rules/notifications and the factual trigger.
What date should I test?
Use the transaction, tax period, machine/process, order or filing date relevant to the issue. Current wording must not be back-cast into an earlier period.
Can I rely only on this summary?
No. Finin2min explains the provision, but the official Act, Rules, notifications and judicial position control the legal outcome.
What evidence should I retain?
Keep source documents proving the factual trigger, computation, filing/payment, portal acknowledgement and any officer communication relevant to the provision.
Finin2min evidence checklist
- Official Act version and amendment trail saved for the relevant date.
- Contract/invoice/transaction or machine/process records supporting the factual trigger.
- Return/payment/refund/appeal records where applicable.
- Portal acknowledgements and officer communications.
- Working paper documenting why this provision and not an alternative provision applies.