Is it legal to entrust a third party agency with the lottery of resettlement houses?

It is legal to entrust a third party to organize a lottery resettlement house. According to relevant information, the resettlement house can be entrusted to a third party by lottery. As long as the parties express their true intentions, the agreement is legal and valid. The third party refers to a relatively independent and fair third party besides the two subjects of the contractual relationship.