Final answer:
Disk Replacement Services has established a formalized set of guidelines for handling employee grievances, which is a part of their HRM function aimed at fair and consistent rule administration.
Step-by-step explanation:
When Disk Replacement Services completes a manual that provides clear rules for handling employee grievances and commits to administering these rules fairly and consistently, the company is operating on a formalized set of guidelines and processes. This approach is part of the human resource management (HRM) function within the business, which ensures that there are standardized procedures for addressing workplace issues and concerns. By having a formal grievance handling procedure, Disk Replacement Services aims to maintain a structured work environment where expectations and resolutions are well-communicated to every employee.