Measuring Tax Collection Performance

Report 30: 22 December, 2016

Auditor General’s overview

The Office of State Revenue (OSR) has an important role. The revenue it collects provides benefits for all Western Australians through funding for essential public sector goods and services. However, … Read more →

Executive summary

Introduction This audit assessed how well the Office of State Revenue (OSR) collects state revenue (taxes and duties). In this report, taxes and duties are referred to collectively as taxes … Read more →

Audit conclusion

OSR generally performs well against government’s tax estimates. Its tax collections met or exceeded most of the estimates in the Government Midyear Financial Projections Statements from 2011-12 to 2015‑16. However, … Read more →

Key findings

Collection of state taxes OSR has steadily collected more tax over time. The amount of tax raised in the last 4 years increased by $1.3 billion. Reasons for this increase include … Read more →


By June 2017, OSR should provide regular reports to internal stakeholders on: a. unit cost indicators for key activities or services b. the impact of key activities and services on … Read more →

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