Freedom of contract is a fundamental principle in private law that allows individuals to regulate their legal relationships based on their free will and is constitutionally protected. This principle grants parties the freedom to decide whether or not to enter into a contract, to choose the contracting party, and to determine the content of the contract.

In conclusion, brokerage agreements should be meticulously drafted in compliance with legal requirements. For real estate transactions, adhering to the written form requirement and clearly defining the commission are essential to prevent potential legal disputes.