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Home > Data Center > Audit > Procuring an Auditor

Procuring an Auditor and the RFP Process

OMB Circular A-133 requires that Federal administrative rules be followed in procuring audit services, click here for a pdf copy of OMB Circular A-133.

Factors to consider in evaluating proposals for audit services include responsiveness to the request for proposal, availability of staff with professional qualifications and relevant experience, results of quality reviews and price.

  1. What procedures are used to procure an external auditor?
  2. The Mid-America Intergovernmental Audit Forum has published a guide, Selecting an External Auditor, to assist non-Federal entities in the procurement of audit services.

    The guide outlines a five-step process to help state and local governemental units hire an audit firm whose work will result in an audit that meets all industry and government standards.

  3. How often must a school administrative unit put its audit out to bid or arrange for a request for proposal (RFP)?

    There are no federal or state requirements to RFP for audit services with an established period of time. It is best practice for school units to solicit audit services once every three to five years.

Please direct any questions to:


Department of Education
23 State House Station, Augusta, Maine 04333
Phone: (207) 624-6790
Fax: (207) 624-6791