Queensland Consolidated Acts Queensland Consolidated Acts(1) A provisional sum, for a domestic building contract, is an amount that is an estimate of the cost of providing particular contracted services.
(2) However, subsection (1) applies only to contracted services for which the building contractor, after making all reasonable enquiries, can not state a definite amount when the contract is entered into.
(3) The reference in subsection (1) to the cost of providing the contracted services includes a reference to the cost of supplying materials needed for the subject work.