Surrogacy is legally permitted in Israel, but only for habitual residents of the country. In addition, the couple must be a man and a woman, regardless of whether they are married or not, and between 18 and 52 years old.
Also, this treatment can only be initiated if the semen of the intended father is used, as Jewish law does not permit the use of donor semen. If so, the child conceived with another man's semen would be considered illegitimate. This halachic concept is known as Mamzerut.