Article 380. The concept of the deposit. The form of the agreement on the deposit.
1. A deposit shall be a sum of money issued by one of the contracting parties on account of payments due from it under the payment agreement to the other party, as evidence of the conclusion of the agreement and as a guarantee of its execution. 2. Agreement on the deposit, regardless of the amount of the deposit must be made in writing. 3. In case of doubt as to whether the amount paid on account of payments due from the party under the contract is a deposit, in particular due to non-compliance with the rule established by clause 2 of this article, this amount is considered to be paid as an advance, unless proven otherwise.
References to other articles of chapter 23. Ensuring the fulfillment of obligations: