Legal Person's Capacity in Gratuitous Contracts

In Iran law often believed that legal persons have full and complete capacity (Article 588 Commerce Act). But there are some doubts about legal person’s capacity in gratuitous contracts: 1. whether legal person can understand "beneficence" means and if such a sense is imputable to legal person? 2. Is gratuitous contracts compatible with legal person’s aims and nature; especially with commercial companies? 3. What is the range of state and public institutions capacity to gratuitous contracts? 4. Is there any capacity restriction to special gratuitous contracts such as testament; endowment; and personal suretyship? By analyzing the purpose of gifts and by induction from gratuitous contracts, except to cases which human relations and motivations are more important than financial aspects (such testament), or when a contract naturally specialized for human (such suretyship), or when gratuitous contract is incompatible with the subject, aim, and philosophy of the legal person, as a general rule any beneficence contract can be signed from legal person; whether as donor or donee.