This bill requires the Department of the Treasury to submit to Congress a comprehensive customer service strategy for the Internal Revenue Service. The strategy must include: a plan to provide assistance that meets reasonable taxpayer expectations and conforms with best practices of customer service provided in the private sector; an assessment of self-service options; proposals to protect taxpayer identity and reduce identity theft; proposals to improve customer service in the short-term, medium-term, and long-term, and metrics and benchmarks for quantitatively measuring progress in meeting each element of the strategy.