9. The applicant is required to provide one of the following evidence of payment:
9.1 A fully paid hotel reservation for your stay in Thailand issued by the hotel showing the duration of stay, and hotel’s contact details and tax ID number;
9.2 A fully paid residential lease in Thailand issued by the lessor showing the duration of stay, and the lessor’s contact details and tax ID number;
9.3 A hire-purchase or mortgage agreement of immovable property;
You have the TR 60 day visa which can be extended 30 days for a total of 90 days, confused with the STV 90 day visa which can be extended twice for a total of 270 days.
In any case the TR visa can be extended with the Covid 60 day extension until Match 30 and possibly beyond depending if Immigration decide to extend the Covid program.
Didn’t they stamp your passport to advise your application was under consideration and return to that office on a particular date? That’s my experience and I have to return on March 30