Article 45 see also Formation
The parties may agree to attach conditions on the validity of the contract. A contract with collateral conditions on its entry into effect shall become effective upon the fulfillment of the conditions. A contract with collateral conditions on its dissolution shall lose its validity upon the fulfillment of the conditions.
Where either party, for the sake of its own interests, unjustifiably prevents the fulfillment of the afore-said conditions, the conditions shall be deemed as fulfilled; where either party unjustifiably hastens the fulfillment of the conditions, the conditions shall be deemed as not fulfilled.
Article 91 see also Validity
The rights and obligations under a contract shall terminate in any of the following situations:
- other situations as provided for by law or stipulated by the parties.