Iowa Admin. Code r. 481-100.14
A licensed qualified organization shall submit an annual report to the department by January 31 of each year for the prior calendar year period of January 1 through December 31. A report shall be submitted even if no gambling activity occurred during the reporting period. Reports may be completed online by visitingdia.iowa.gov and clicking on the link for "Social and Charitable Gambling." A paper version of the annual gambling report may be obtained from the Social and Charitable Gambling Unit, Iowa Department of Inspections and Appeals, Lucas State Office Building, Des Moines, Iowa 50319-0083; or by telephone (515)281-6848. When the due date is on Saturday, Sunday, or a legal holiday, the report is due the next business day.
Iowa Admin. Code r. 481-100.14