(b) The intended parent or parents shall be deemed to have satisfied the requirements of this Act if he, she, or they have met the following requirements at the time the gestational surrogacy contract is executed:
(1) he, she, or they contribute at least one of the gametes resulting in a pre-embryo that the gestational surrogate will attempt to carry to term;
(2) he, she, or they have a medical need for the gestational surrogacy as evidenced by a qualified physician's affidavit attached to the gestational surrogacy contract and as required by the Illinois Parentage Act of 1984;
(3) he, she, or they have completed a mental health evaluation; and
(4) he, she, or they have undergone legal consultation with independent legal counsel regarding the terms of the gestational surrogacy contract and the potential legal consequences of the gestational surrogacy.