Iowa Code § 403A.28

The municipal housing agency shall not undertake any low-cost housing project until such time as a public hearing has been called, at which time the agency shall advise the public of the name of the proposed project, its location, the number of living units proposed and their approximate cost. Notice of the public hearing on the proposed project shall be published at least once in a newspaper of general circulation within the municipality, at least fifteen days prior to the date set for the hearing.