A well-thought out and competently drawn up contract is the basis of high-quality cooperation between the parties. A clear definition of each aspect of the transaction and the concept of the contract as a whole, miscalculation of commercial and legal risks and other nuances are important for eliminating the so-called “loopholes” in the contract and minimizing risks in the process of its implementation. Therefore, the preparation, analysis of the terms of the contracts is necessary for a lawyer. The lawyer will work out the structure of the transaction, identify “pitfalls”, will not allow ambiguous interpretations and discrepancies, will reduce to zero the possibility of canceling the transaction.