Singapore legislation
Section 4
of Status of Children (Assisted Reproduction Technology) Act 2013
Section 4
Consent to fertilisation procedure
For the purposes of this Act —
a person is deemed not to have validly given or withdrawn the person’s consent to a fertilisation procedure, whether done in Singapore or elsewhere, unless the person gives or withdraws his or her consent (as the case may be) in writing; and
unless the contrary is proved, a person is presumed to have validly given or withdrawn the person’s consent to a fertilisation procedure done in Singapore if the person gives or withdraws his or her consent (as the case may be) to the fertilisation procedure —
in writing; and
in accordance with any law or any condition imposed pursuant to any law, or any requirement or procedure imposed by the responsible authority, in respect of that fertilisation procedure.