Charity company (khevra le'to'ellet ha'tzibur, חברה לתועלת הציבור) – company generally governed by the Companies Act, except it is a nonprofit. A charity company must have pre-defined goals, rather than engage in any lawful activity. Some provisions in the Companies Act apply specifically to charity companies. The letters "CC" (חל"צ) must be appended to such company's name.
On the other hand, if you are not responsible for its tax, then you should declare the equipment in Part III of the Business Property Statement (Equipment belonging to others). Where equipment is declared in Part III of the Business Property Statement, the Assessor will also send a Notice to File to the person reported as the equipment's actual owner.