Iowa Administrative Code Title 701 — Department of Revenue
Iowa Admin. Code r. 701—300.10(422) — Indexation
Iowa Code section 422.5 provides for the adjustment of the tax brackets by a cumulative inflation factor to be determined by the director. The requirement that provided that the state general fund balance on June 30 of the prior calendar year had to be $60 million or more before there was indexation of the tax rate brackets for the current year was repealed for tax years beginning on or after January 1, 1996.
Source: official text