Do all Thai immigration offices require an embassy request letter for a Covid-19 60-day extension?

The post discusses the requirement for an embassy request letter when applying for a 60-day COVID-19 extension at Hua Hin immigration. While one user reports that the consulate no longer provides such letters, they received an email confirming that this could still be accepted. Other users share experiences at various immigration offices, confirming that approvals for extensions are common, especially given the pandemic circumstances.