I must apologize. Due to our employees who have not been documented to work. Must renew their visa. At the airport before we need to wait for your employees.
I must apologize as well as by our staff who have not yet received the documents, work will need to continue the visa at the airport before, we must apologize your employees wait for a long time.
I'm sorry, I must be since our staff has not yet received the request for work, will have to do for a visa at the airport before the we need to apologize to the staff, you wait for so long.