Section 117(4) in The Central Goods and Services Tax Rules, 2017
(4)(a)(i)A registered person who was not registered under the existing law shall, in accordance with the proviso to sub-section (3) of section 140, be allowed to avail of input tax credit on goods (on which the duty of central excise or, as the case may be, additional duties of customs under sub-section (1) of section 3 of the Customs Tariff Act, 1975, is leviable) held in stock on the appointed day in respect of which he is not in possession of any document evidencing payment of central excise duty.(ii)The input tax credit referred to in sub-clause (i) shall be allowed at the rate of sixty percent on such goods which attract central tax at the rate of nine percent or more and forty percent for other goods of the central tax applicable on supply of such goods after the appointed date and shall be credited after the central tax payable on such supply has been paid:Provided that where integrated tax is paid on such goods, the amount of credit shall be allowed at the rate of thirty percent and twenty percent respectively of the said tax;(iii)The scheme shall be available for six tax periods from the appointed date.(b)The credit of central tax shall be availed subject to satisfying the following conditions, namely:-(i)such goods were not unconditionally exempt from the whole of the duty of excise specified in the First Schedule to the Central Excise Tariff Act, 1985 or were not nil rated in the said Schedule;(ii)the document for procurement of such goods is available with the registered person;(iii)[ The registered person availing of this scheme and having furnished the details of stock held by him in accordance with the provisions of clause (b) of sub-rule (2), submits a statement in FORM GST TRAN 2 by 31st March 2018, or within such period as extended by the Commissioner, on the recommendations of the Council, for each of the six tax periods during which the scheme is in operation indicating therein, the details of supplies of such goods effected during the tax period;] [Substituted by Notification No. G.S.R. 204(E), dated 7.3.2018 (w.e.f. 19.6.2017).][Provided that the registered persons filing the declaration in FORM GST TRAN-1 in accordance with subrule (1A), may submit the statement in FORM GST TRAN-2 by [30th April, 2020] [Inserted by Notification No. G.S.R. 859(E), dated 10.9.2018 (w.e.f. 19.6.2017).].](iv)the amount of credit allowed shall be credited to the electronic credit ledger of the applicant maintained in FORM GST PMT-2 on the common portal; and(v)the stock of goods on which the credit is availed is so stored that it can be easily identified by the registered person.