29D. (1) The declaration under the second proviso to clause (i) of sub-section (3) of section 194C by a sub-contractor shall be in Form No. 15-I and shall be verified in the manner indicated therein by such sub-contractor.
(2) The declaration referred to in sub-rule (1) may be furnished to the contractor responsible for paying or crediting any sum to the account of the sub-contractor before the event of such sum being credited or paid to such sub-contractor.
(3) The particulars under the third proviso to clause (i) of sub-section (3) of section 194C to be furnished by a contractor responsible for paying any sum to such sub-contractor shall be in Form No. 15J.
(4) The particulars referred to in sub-rule (3) shall be furnished,—
(i) to the Commissioner of Income-tax, so designated by the Chief Commissioner of Income-tax, within whose area of jurisdiction, the office of the contractor referred to in sub-rule (3) is situated;
(ii) on or before the 30th June following the financial year.