A gender certificate is issued if one needs to change their gender legally.
Citizens from England, wales and Ireland need not evidence gender certificate.
If the partners are already in a civil partnership and seek to acquire a gender certificate, a detailed process is undertaken depending upon the individual’s circumstances.
You may be asked to end your civil partnership if you are in Scotland. Scottish law does not recognise opposite partner civil partnerships. One needs to convert it into a marriage partnership.
If a civil partnership is registered outside the UK, then the couple must end the civil partnership to gain a gender certificate.