4. The parties shall not have the right to claim the return of what was executed by them in the obligation prior to the moment of dissolution or amendment to the agreement, unless it is otherwise established in the law legislative acts or the agreement by the parties.
5. Where a substantial violation of an agreement by one of the parties served as the reason for the dissolution or amendment of the agreement, the other party shall have the right to claim the restitution of losses caused by the dissolution or amendment of the agreement.
Article 404. Unilateral Refusal to Implement an Agreement (Rescission of an Agreement)
1. A unilateral refusal from the implementation of an agreement (rescission of an agreement) shall be allowed in the cases provided for by this Code, other legislative acts or agreement of the parties.
2. Either party shall have the right to refuse to implement the agreement in the following cases:
1) impossibility to perform an obligation based on the Agreement (Article 374 of this Code);
2) recognition, in accordance with the established procedure, of the other party as bankrupt;
3) amendment or abolition of the act of the state body, on the basis of which the agreement was concluded.
3. A unilateral rescission of performance of an agreement shall be allowed in the cases when the agreement is entered into without indication of a period, unless it is otherwise provided for by legislative acts or the consensus of the parties.
4. In the case of a unilateral rescission of the performance of an agreement the party must notify the other accordingly, not later than one month prior, unless it is otherwise provided for by this Code, other legislative acts or consensus of the parties.
Article 405. Extension of the Validity Period of an Agreement
The parties shall have the right to extend the validity period of the agreement for another period.
The extension of the validity period of an agreement shall be carried out in accordance with the rules of Article 397 of this Code.
