To alleviate their own concerns, Office members reviewed the practices of other governments and state auditors. This review increased the self-confidence of Office members in their ability to operationalize performance measurement, and provided them with a knowledge base with which they could attach their own claims of expertise. An extended network of inscriptions (audit reports, conference papers, reports of the reception of performance measurement elsewhere) could be drawn on by the experimenters in Alberta who were learning to assess and provide advice on performance reports. Auditing both imports and exports legitimacy (Power, 2003). Here, the Office imports legitimacy from the developing corpus of knowledge on performance measurement, and exports legitimacy through the support that it provided to government’s performance measurement project – which can then be taken up in other jurisdictions.