Final answer:
On the 623A form or Job Continuation Sheet, electronic entries must be signed by the personnel who performed the work and their supervisors to ensure oversight and adherence to standards.
Step-by-step explanation:
In the context of the 623A form, or Job Continuation Sheet, the entries must be signed electronically by the personnel who performed the work, which typically includes technicians and mechanics. Additionally, their supervisors are often required to sign off on the completed work to ensure proper oversight and conformance to quality standards. Given the nature of the form, which is used in aviation, military, and certain industrial sectors, it is crucial that all electronic signatures comply with organizational and regulatory standards to ensure the integrity and traceability of maintenance and inspection records. Accuracy in this process is key, as it directly relates to safety and accountability within these fields.