What must be included on the label after a conductivity test is completed?

The inclusion of the month, year, and initials on the label after a conductivity test is completed serves as essential documentation of the test's execution and validation. This information provides a clear record of when the test was performed, ensuring accountability and traceability. By noting the date, it allows for tracking how recent the test is and if the extinguisher is still compliant with safety standards. The initials indicate who conducted the test, adding an element of responsibility and verification that the procedure was completed by a qualified individual. This level of detail is crucial for maintaining safety protocols, particularly in environments where fire safety is paramount, as it allows for scheduled follow-ups and audits of equipment readiness.