Central Government Act
Section 48(1) in The Delhi Rent Act, 1995
(1) A person shall not be qualified for appointment as the Chairman unless he-
is, or has been, a Judge of a High Court; or
has, for- at least three years, held the office of a Member; or
is, or has been, a Member of the Indian Legal Service and has held, for at least three years, a post in Grade I of that Service; or
has, for at least three years, held the post of a Secretary in the Law Department of a State Government.