4.—(1) A construction contract is excluded from the operation of section 110(1A) of the Act if it is a contract pursuant to which a party to a relevant contract has sub-contracted to another person some or all of its obligations under that contract to carry out, or arrange that others carry out, construction operations.
(2) In paragraph (1), a relevant contract is a contract excluded from the operation of Part 2 of the Act pursuant to article 3.