Can I still apply for a COVID visa extension before my current visa expires on February 28?

The user is inquiring about the possibility of applying for a COVID visa extension before their current visa expires on February 28. Responses indicate that applications for the COVID extension can be submitted until March 30 and advise making the application before the current visa expiration. There are varied responses regarding the under consideration stamp depending on the immigration office, and a reminder to ensure a TM30 report is filed.