Section 171 : Credit of eligible duties and taxes in respect of inputs or input services during transit – Transitional Provisions

171. Credit of eligible duties and taxes in respect of inputs or input services during transit

(1) A registered taxable person shall be entitled to take, in his electronic credit ledger, credit of eligible duties and taxes in respect of inputs or input services received on or after the appointed day but the duty or tax in respect of which has been paid before the appointed day, subject to the condition that the invoice or any other duty/tax paying document of the same was recorded in the books of accounts of such person within a period of thirty days from the appointed day:
PROVIDED that the aforesaid period of thirty days may, on sufficient cause being shown, be extended by the competent authority for a further period not exceeding thirty days.

(2) The said registered taxable person shall furnish a statement, in such manner as may be prescribed, in respect of credit that has been taken under sub-section (1).
(CGST Law)
(1) A registered taxable person shall be entitled to take, in his electronic credit ledger, credit of Value Added Tax [and entry tax] in respect of inputs received on or after the appointed day but the tax in respect of which has been paid before the appointed day, subject to the condition that the invoice or any other tax paying document of the same was either received or recorded in the books of accounts of such person within a period of thirty days from the appointed day:
PROVIDED that the aforesaid period of thirty days may, on sufficient cause being shown, be extended by the competent authority for a further period not exceeding thirty days.
(2) The said registered taxable person shall furnish a statement, in such manner as may be prescribed, in respect of credit that has been taken under sub-section (1).
(SGST Law)