99.— (1) A person is not eligible for appointment as a member of the Authority or of a committee of the Authority, if the person is—

( a) a member of either House of the Oireachtas or of the European Parliament,

( b) regarded, pursuant to section 19 of the European Parliament Elections Act 1997, as having been elected to the European Parliament to fill a vacancy, or

( c) a member of a local authority.

(2) An appointed member of the Authority or a member of a committee of the Authority immediately ceases to hold office on—

( a) being nominated as a member of Seanad Éireann,

( b) being elected as a member of either House of the Oireachtas or of the European Parliament,

( c) being regarded, pursuant to section 19 of the European Parliament Elections Act 1997, as having been elected to the European Parliament to fill a vacancy, or

( d) becoming a member of a local authority.