Article 420. The Concept of the Contract.
1. A contract is an agreement of two or several persons on the establishment, amendment or termination of civil rights and obligations. 2. The rules on bilateral and multilateral transactions provided for in Chapter 9 of this Code shall apply to contracts. 3. The general provisions on obligations (Articles 307 - 419) apply to the obligations arising from a contract, unless otherwise provided by the rules of this chapter and the rules on individual types of contracts contained in this Code. 4. For treaties concluded by more than two parties, the general provisions on a treaty shall apply, if this does not contradict the multilateral nature of such treaties.
Links to other articles of chapter 27. The concept and terms of the contract: