Iowa Application for Amended Certificate of Authority is an application form used by companies to request an amendment to their existing Certificate of Authority from the Iowa Secretary of State's office. The application is intended for businesses that have already been registered as an Iowa business entity, such as a corporation, limited liability company (LLC), limited partnership (LP), or limited liability limited partnership (LL LP). The amendment may be necessary to update information about the business, such as its name, address, registered agent, or officers. There are three types of Iowa Application for Amended Certificate of Authority: Amendment for Corporation, Amendment for LLC, and Amendment for LP/LL LP.