6(1)Paragraph 4 (variation and withdrawal of consent) is amended as follows.U.K.
(2)In sub-paragraph (1), for “or embryo” substitute “ , human cells, embryo or human admixed embryo ”.
(3)In sub-paragraph (2)—
(a)for “The” substitute “ Subject to sub-paragraph (3), the ”, and
(b)for the “or” at the end of paragraph (a) substitute—
“(aa)in training persons in embryo biopsy, embryo storage or other embryological techniques, or”.
(4)After sub-paragraph (2) insert—
“(3)Where the terms of any consent to the use of an embryo (“embryo A”) include consent to the use of an embryo or human admixed embryo whose creation may be brought about in vitro using embryo A, that consent to the use of that subsequent embryo or human admixed embryo cannot be varied or withdrawn once embryo A has been used for one or more of the purposes mentioned in sub-paragraph (2)(a) or (b).
(4)Subject to sub-paragraph (5), the terms of any consent to the use of any human admixed embryo cannot be varied, and such consent cannot be withdrawn, once the human admixed embryo has been used for the purposes of any project of research.
(5)Where the terms of any consent to the use of a human admixed embryo (“human admixed embryo A”) include consent to the use of a human admixed embryo or embryo whose creation may be brought about in vitro using human admixed embryo A, that consent to the use of that subsequent human admixed embryo or embryo cannot be varied or withdrawn once human admixed embryo A has been used for the purposes of any project of research.”