In many jurisdictions like Australia, donors must agree to identity disclosure once the child turns 18.
In formal donation, the donor signs away all parental rights. In a "free," private arrangement, depending on your jurisdiction, the donor may be legally considered the father. He could later sue for custody or visitation—or the state could pursue him for child support. Conversely, if the child needs a bone marrow transplant and the donor is the only match, you have no legal obligation from him. chanel preston sperm donor needed free
Donors may have legal rights to anonymity or contact with the child, depending on the jurisdiction. In many jurisdictions like Australia, donors must agree
Sperm donor requirements → Read them here - Cryos International In many jurisdictions like Australia
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