What are the original self-made vouchers obtained by the hotel?

Travel expenses belong to the original self-made vouchers obtained by the hotel. The travel expense reimbursement form belongs to the original self-made voucher obtained by the hotel, which is a special voucher and summary voucher for the enterprise's own use only. After a business trip, employees need to fill in the travel expense reimbursement form according to the transportation and accommodation invoices obtained during the business trip. Therefore, the travel expenses belong to the original self-made vouchers obtained by the hotel.