The purpose of Cost-Per-Hire (CPH) is to measure the economic value of the effort taken to fill an openposition in an organization. BS ISO/TS PD ISO/TS 30407:2017 describes actions to be taken when calculating CPH tomaintain quality and transparency, including creating a representative data set, using a transparentsource of data, minimizing data errors and ensuring that periodic audits of processes occur on data input.Central to CPH as described in this document are the features of the visual display of the metric,emphasizing transparency of data inputs, processes and the formula used within the metric.Cross References:ISO 30400