What must all renewal applicants submit at the time of renewal?

The correct answer highlights that all renewal applicants must submit a vision test or a certificate of vision at the time of renewal. This requirement is in place to ensure that drivers maintain adequate visual acuity to operate a vehicle safely. As eyesight can change over time, this process helps to confirm that drivers continue to meet the vision standards necessary for driving.

While other options involve relevant aspects of the renewal process, they are not universally required for all applicants. A completed application form is generally needed, but it is the vision test's submission that stands out as a specific requirement tied to safety. Proof of residency may be necessary for initial applications or certain circumstances but is not a standard requirement for every renewal. A written driving test is usually not necessary for renewals unless there are significant changes in the applicant's status or specific conditions apply.

This focus on vision is critical in maintaining road safety, reflecting the understanding that good vision is essential for safe driving practices.