What are the steps and requirements for extending a 60-day tourist visa in Thailand?

The user seeks confirmation about the timing for applying for a 30-day extension to their 60-day tourist visa and clarifies the confusion regarding the TM6 form. They also inquire about the submission of the TM30 form by their landlord at the local immigration office in Hua Hin. Responses indicate that applications can be made 45 days before the visa expiry, and the TM6 form can be left blank if it was not issued. Additionally, typical requirements for the extension include a TM30, passport photos, copies of stamps in the passport, and a fee.