What is the grace period for submitting a 90-day report in Thailand if the application is pending?

The user is concerned about their 90-day report application which is still pending after applying on the 16th of March, while the report date is due today, the 20th of March. Responses from the community indicate that applications may take a few business days to process and suggest a grace period of up to 7 days after the due date for in-person submission.