14K USD? That is actually not enough. With the increase strength in the baht, you need almost 15,000 usd. Also why did you not have the original version with the stamp?
They didn’t say it was not in their system but that the doctor listed on his form is not listed on the hospital’s website, implying that they think it might be a fake letter
the notice says starting Oct 22nd, the turnaround time is 10 days, implying this was not the policy prior to today. It also says those who submitted from the 15th onward might experience a delay (from the original turnaround time). Also sharing you the notice from Vietnam’s website saying their r-visa process is 5 days, which debunks your statement