Cal. Civil Code - CIV § 1556. Section 1556.All persons are capable of contracting, except minors, persons of unsound mind, and persons deprived of civil rights.
Cal. Civil Code - CIV § 1557. Section 1557.(a) The capacity of a minor to contract is governed by Division 11 (commencing with Section 6500) of the Family Code. (b) The capacity of a person of unsound mind to contract is governed by Part 1 (commencing with Section 38) of Division 1.
Cal. Civil Code - CIV § 1558. Section 1558.It is essential to the validity of a contract, not only that the parties should exist, but that it should be possible to identify them.
Cal. Civil Code - CIV § 1559. Section 1559.A contract, made expressly for the benefit of a third person, may be enforced by him at any time before the parties thereto rescind it.