Consent for Use of Human Reproductive Material and In Vitro Embryos Regulations

5 (1) If a donor wishes to withdraw their consent, the withdrawal must be in writing.

(2) The withdrawal is effective only if the person who intends to make use of the human reproductive material is notified in writing of the withdrawal

• (a) in the case of human reproductive material to be used to create an embryo for a purpose mentioned in paragraph 4(1)(a), (b), (d) or (e), before the material is used; and

• (b) in the case of human reproductive material to be used to create an embryo for the purpose mentioned in paragraph 4(1)(c), before the third party acknowledges in writing that the material has been designated for their reproductive use.