Commercial surrogacy is permitted, but there is a lack of the legal basis, it is regulated by Chapter 9 of the The Code of the Republic of Kazakhstan on Marriage (Matrimony) and Family.
The must be a contract between the commissioning parents and the surrogate.

Furthermore the surrogate mother’s age must be between 20 to 35 years. She has to be physically and mentally healthy and she has to have her own healthy child. If the surrogate is married she must of course get a notarized agreement from her husband.
It is also required that the healthcare organization keeps comprehensive data on biological material used by all parties. A copy of that data should be attached to the contract.