Developed comprehensive HIPER APAR Marking Process Documentation for the zowe-install-packaging repository, focusing on enhancing release governance for IBM community engineers. The work involved aligning documentation with HIPER requirements and integrating it into the existing IBM z/OS build engineer workflow, ensuring accurate APAR classification and streamlined release handling. Utilizing skills in process engineering and technical documentation, the developer produced clear plaintext guidelines that support formal ownership and traceability within the project. This contribution addressed a specific need for standardized process documentation, providing a foundation for consistent APAR management and facilitating improved collaboration among engineers working on IBM mainframe software releases.