I have a class in another company, and I need to issue an invoice to settle the class fee. What can be opened?

Training fees and educational consultation can be settled by issuing invoices. According to the relevant public information, the class fees of teachers in the unit belong to the category of labor fees, and tax invoices need to be provided for reimbursement in the form of labor fees. They need to issue a labor fee invoice to the local local tax bureau, and the labor fee training fee includes the labor fee invoice. It is strictly forbidden to use training fees to purchase fixed assets such as computers, photocopiers, printers and fax machines and other expenses unrelated to training. It is strictly forbidden to include official reception fees and conference fees in the training fees. It is strictly forbidden to collect training fees and set up small treasuries.