1.A、passport valid at least six months after departure date. 2. Two ID、photographs. 3.A、photocopy of your return ticket. For a business visa, please attach a letter from your company indicating the reason for travel and an invitation letter from your host. If you are applying by mail, please send a self-addressed stamped registered envelope for return. Please allow five business days for processing. FEE $50 US Payment is by cash or money order. Same-day visa processing is available for an extra $50 US. VACCINATIONS REQUIRED none OPENING HOURS The VisaDepartment is open Monday through Friday from I 0:00A、m. to 2:00 p.m. What do business travelers have to provide A、A、receipt from their travel agent B、A、vaccination certificate C、An additional photo D、A、letter from their employer