What is required from an applicant who fails to submit a written request within the specified time frame to request an extension?

When an applicant fails to submit a written request for an extension within the specified time frame, they are required to demonstrate good cause for their failure to meet the deadline. This requirement reflects the principle that applicants must show valid reasons for their inability to comply with the timeline established by the governing body, which helps maintain order and accountability within the certification process.

Demonstrating good cause typically involves providing evidence or reasoning that would justify a delay, indicating that factors beyond the applicant's control may have contributed to their situation. This is important because it allows the reviewing authority to evaluate whether exceptions to the established rules should be made.

While other options may seem related to justifying the delay or explaining circumstances, they do not align with the formal requirements set forth in the process for requesting extensions. A written justification for delay might not be sufficient on its own without clear evidence of good cause, and verbal explanations or previous examination results do not directly address the formal requirement to demonstrate good cause in writing. Thus, the correct answer captures the necessary action an applicant must take to potentially rectify their situation when faced with a missed deadline.