Dear Johannes and Johanna,
Thank you for the very helpful information and above provided links. Just to make sure I have the correct process, is it as follows:
(1) Buy Gastbuch - can you please let me know from where?
(2) Register the Gastbuch with MA-23. Can I do this as a private person and not a company? Do I need a stamp and as a private person what does it have to say? Do I stamp the document before registering the Gastbuch with MA-23?
(3) After I have guests - need to report once a month to the city authorities and pay the tax. Understood.
Thank you so much,
Valentina