Search form

Tax Management Division

Mary Mosiman, Administrator 


The Tax Management Division is responsible for all facets of tax processing from the receipt of returns and payments through examination, audit and collection activity.  The Division consists of three operating units as described below.

Compliance Services

  • Conducts office examinations of returns and related documents for most tax types
  • Conducts audits from field offices located throughout Iowa
  • Issues refunds, adjustments and assessments based on the outcome of office exams and field audits

Collection Services

  • Issues bills and assessments for unpaid tax
  • Contacts taxpayers who do not pay their account by the end of the appeal period
  • Coordinates collection activities Department-wide
  • Offers collection services to other agencies of state government

Revenue Operations 

  • Receives and processes all mail, tax documents, and payments
  • Issues and maintains all business permits
  • Assists taxpayers with tax filing requirements and procedures
  • Answers more than 150,000 calls, responds to more than 34,000 and assists more than 9,000 taxpayers in person
  • Provides educational webinars on a variety of topics