Does the passport have to be signed when applying for a Thailand visa?
No. The applicants passport does not need to be signed when applying for the Thailand visa.
Is a Thailand visa valid in an expired passport?
No. A new visa must be obtained.
When does the Thailand visa start?
The start date is based on when the consulate issues the visa, not the travel dates provided on the itinerary. Therefore, the visa is valid from the date of issue at the consulate.