sp.p. (spółka partnerska): ≈ limited liability partnership May also be denoted by the addition of i partner(zy) ("and partner(s)") to the firm's name. Can only be used for the purpose of practicing as a licensed professional listed in the appropriate provision of the Commercial Companies Code. The partners are fully liable for the partnership's debts, with the exception of debts incurred by other partners practicing their licensed profession and employees under their direction.
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.