Do my parents need to reapply for Thailand Pass if their arrival date changes?

A user inquires whether their parents, both Thai, need to apply for new Thailand Passes due to a postponement of their flight to Bangkok. The community suggests that if the new date is within the validity of their existing passes, they might not need to reapply. It's also noted that they should confirm hotel bookings and ensure any prerequisites like PCR tests are updated. Suggestions include contacting hotels for confirmation and calling a dedicated hotline for expedited assistance with Thailand Pass approvals.