Duty to register
Article 16 of the Federal Act on Foreign Nationals and Integration (FNIA, in Italian LStrI) requires anyone hosting foreigners to communicate the guest's details to the competent cantonal authority within 24 hours. In Ticino that's the Cantonal Police.
Notifico: Notifico collects the nine required fields, validates nationality and document type, and produces the file ready for upload.
Statute text