Pay business tax.
Look what your chapter is. If there are no special problems, you should be able to open it.
Oh, well, that's useless.
Need to apply to the Finance Bureau for increasing business consulting services.
In this way, you can buy the corresponding invoice.
Of course, the above is the official practice.
In private, the accountant can make it an advertising project, so that the advertising invoice can be issued. Of course, it depends on the level of your accountant.