30Modification or withdrawal of consent

30 Modification or withdrawal of consent (1) A gamete provider’s consent may be modified or withdrawn at any time until— (a) for a donated gamete—the gamete is placed in a person’s body or an embryo is created from the gamete; or (b) for a gamete used to create a donated embryo—the embryo is implanted in a person’s body; or (c) in any other case—the gamete, or an embryo created from the gamete, is placed or implanted in a person’s body. (2) A gamete provider may modify or withdraw consent by written notice given to an ART provider that is, or has been, in possession of the gamete or embryo to which the consent relates. (3) If an ART provider receives notice of modification or withdrawal of consent in relation to a gamete or embryo it has supplied to another ART provider, it must give the other ART provider written notice of the modification or withdrawal as soon as practicable. (4) Modification or withdrawal of consent takes effect in relation to an ART provider as soon as the ART provider is given written notice of the modification or withdrawal in accordance with this section. (5) A regulation may prescribe other requirements in relation to modification or withdrawal of consent. (6) In this section: donated gamete does not include a gamete that becomes a donated gamete only after being used to create an embryo.