Contract Price Adjustments Provisions must be stated in the PBA/NSSA tender documentation and the [CD]. More than one system may apply. The calculations can become quite complex if done manually. Various suitable software packages are available.

The Contract Price Adjustment Provision (CPAP) formula uses indices published monthly by the Statics SA to calculate the fluctuations in cost of materials and/or labour for a number of work groups but does not cater for (international) currency fluctuations