A claim made by a contractor under clause (b) of sub-section (1) of section 7 shall be supported by a declaration in form 3 to be issued by the sub-contractor and a claim made by a sub-contractor under clause (e) of sub-setion (1) of section 7 shall be supported by a declaration in form 3-A to be issued by the contractor and shall be admitted in proof of such claims.

A claim made by a contractor under clause (b) of sub-section (1) of section 7 shall be supported by a declaration in Form 3 to be issued by the sub-contractor and a claim made by a sub-contractor or contractor under clause (c) or (d) of sub-section (1) of section 7 shall be supported by a declaration in Form 3-A to be issued by the contractor or sub-contractor, as the case may be, which shall be admitted in proof of such claims