This document provides information about maintaining CHES and MCHES certification, including recertification requirements and processes. It discusses the need to earn continuing education contact hours (CECHs) through approved activities to renew certification annually and recertify every 5 years. A minimum of 75 CECHs must be earned each cycle, including at least 30 from Category I approved events. Category II activities can account for up to 30 CECHs. Extensions and options like retiring status or recertifying through exam are available under certain circumstances. The benefits of maintaining certification and fees are also outlined.