A candidate whose certification has expired is able to function as an EMS certificant until re-certification is issued.

In the context of EMS certification, a candidate whose certification has expired is not legally permitted to function as an EMS certificant until their re-certification is issued. When an emergency medical services (EMS) certification expires, the individual loses their credential to practice and provide emergency medical care. Operating without a valid certification can lead to serious legal consequences, including liability for any actions taken while uncertified, as the individual is not recognized as meeting the minimum standards and qualifications required to ensure patient safety.

The system is designed to protect both patients and practitioners by ensuring that only those who have met the current training and competency requirements are allowed to operate in the field. Therefore, it is crucial for individuals to maintain their certification status and complete re-certification requirements before resuming their role in EMS.