The International Association of Accessibility Professionals (IAAP) has professional certifications on disability and accessibility core competencies, web accessibility, and document accessibility. The certification is based on 3 domains: Disabilities, Challenges, and Assistive Technologies Accessibility and Universal Design Standards, Laws, and Management Strategies This presentation from the Penn State University Libraries Open Publishing program will focus on how two members studied, took, and passed the IAAP Certified Professional in Accessibility Core Competencies (CPACC) exam. The presentation will cover the content of the certification, the importance of certifications, the process of becoming certified, the study tips that proved useful, and how to apply lessons learned to your publishing program.