What Is a Proprietary Agreement?

Special contract, contract is also called "contract". Agreement between two parties (or several parties) on setting, changing, and eliminating civil rights and obligations. According to different angles of division, contracts can be divided into: double service contracts and single service contracts, promised contracts and practical contracts, paid contracts and unpaid contracts, mandatory contracts and unnecessary contracts, master and slave contracts, economic contracts and non-contractual contracts. Economic contracts, etc. ^[1]