Paragraph 25
In the case of applicant who has only provided information relating to an acquired gender, and that acquired gender is not recorded in the valid passport, valid identity card or a birth or adoption certificate in a form which contains details of the parents or, as the case may be, adoptive parents that accompanies the application:
(i)
a gender recognition certificate, or
(ii)
a report from a registered medical practitioner or a chartered psychologist practicing in the field of gender dysphoria that the individual has a need to has a need to live at least part of their life in a gender other than their gender recorded on their current birth certificate.