There are two types of impossibility of delivery that is the duty of the benefit under a contract. The subjective impossibility is due to the inability of the individual Promisor seder, z.B. by illness or death. Objective impossibility means that no one can perform. The destruction of the object of the contract, the frustration of its purpose or the possibility of submersion after the conclusion of the contract are all objective impossibilities. “Unfeasibility” due to extreme and inappropriate hardship, costs, injuries or losses is considered part of the impossibility. A contract is an agreement between two companies or individuals, which serves as legal protection for both parties involved in a possible commercial transaction. There are different types of contracts and each determines the rights and duties of both parties. A certain type of contract regulates the risks and expenses for the contractor. As a general rule, a requesting contractor who performs the work after the breach of contract will recover the reasonable value of the work and equipment he makes available, with the price of the contract used as an indication. The premium must not adequately exceed the benefit that the owner obtained in the course of the work performed properly and is reduced by the injury suffered by the owner as a result of the contracting contract`s non-compliance. If the value of the work performed exceeds the contract price, the holder does not receive the surplus. The interim conditions discussed in the preliminary negotiations are supplemented by the provisions of the contract executed by the parties.
The Parol Evidence rule regulates the admissibility of evidence other than the actual agreement in the event of a dispute over a written contract. When the parties recall in writing their agreements, all prior oral and written conventions as well as all concomitant oral agreements in writing, also known as integration, merge. The written contract cannot be modified, amended or amended by oral evidence, provided it has been legally executed by a person intending to represent the definitive and complete expression of his contract design.