(1) A donor's consent under section 16 —
(a) must be in the prescribed form; and
(b) must specify the number of women on whom treatment procedures using the donor's oocyte, sperm or embryo may be carried out; and
(c) must specify the kinds of treatment procedures for which the oocyte, sperm or embryo may be used; and
(d) must not have been withdrawn or have lapsed when the treatment procedure takes place.
(2) A person giving consent under section 16 must give the consent or cause the consent to be given to—
(a) if the donation is made—
(i) to a registered ART provider, a designated officer of the registered ART provider; or
(ii) to a person other than a registered ART provider, a doctor; or
(b) in accordance with the regulations.