Section 105(4) in The Delhi Value Added Tax Act, 2004
(4)[ Where a dealer registered under the repealed Delhi Sales Tax on Works Contract Act, 1999 (Delhi Act 9 of 1999) (hereinafter referred to in this sub-section as "the repealed Act"), is liable to pay tax under this Act, and has at any time prior to the 1st day of April, 2005 entered into any works contract, where the total contract value was inclusive of the tax payable under the repealed Act, and the execution of the said works contract has continued after the 1st day of April, 2005, then the liability of the dealer to pay tax under this Act shall be discharged at the rates applicable under this Act, and the liability so discharged in respect of the said contract shall not exceed the liability which would have accrued under the repealed Act if it had continued to be in force and in the case of a dealer who had opted for composition of tax under the repealed Act, the liability under this Act in respect of a contract where the execution has started before the 1st day of April, 2005 and has continued thereafter shall not exceed the sum which would have been payable by way of composition in respect of the said contract under the repealed Act if it had continued to be in force:PROVIDED that the provisions of this sub-section shall be valid up to the 31st day of March, 2007:PROVIDED FURTHER that the provisions of this sub-section shall not apply where the contract value has been changed on account of increased liability under this Act:PROVIDED ALSO that the provisions of this sub-section shall apply only if there was no provision in the contract for revising the value of the contract on account of the change of tax liability.] [Inserted by DVAT (Second Amendment) Act, 2005 (10 of 2005), dated 16.11.2005, w.r.e.f. 1-4-2005.]