Consider the following statements:

1. In the National Legal Services Authority v. Union of India case, the Supreme Court declared transgender people to be a 'third gender'.

2. Union Home Minister is the ex-officio chairman of the National Council for Transgender Persons.

3. District Magistrate has the sole responsibility of issuing the certificate of identity of a Transgender person.

4. Every establishment shall designate a person to be a complaint officer to deal with the complaints relating to violations of the provisions of the Transgender Persons (Protection of Rights) Act, 2019.

Which of the statements given above is/are correct?