However, before invoicing, if your company has no previous invoicing experience, you will be notified and need training.
After the training, simulated invoicing will be conducted. If there is no error in invoicing, it means that it has passed and can be invoiced.
However, in the actual process of billing software, both the drawer and the administrator are set by the company, so there is no such thing as a certificate of completion.
In addition: if you have experience in invoicing before and are told that you have been trained, just tell me that you have issued a ticket before, and there is no problem, you can handle it directly.