21.—(1) Section 20(3) of the 2006 Act does not apply as regards—
(a)a member of staff of, or person authorised by, RQIA entering a residential care home or nursing home;
(b)a member of staff of the Department entering a registered pharmacy;
(c)a member of staff of, or a person authorised by, a designated body, entering premises which are or form part of a private dwelling of a health care professional—
(i)who is providing health care at the private dwelling, and
(ii)the private dwelling is on a statutory register of health care premises or is designated as practice premises under arrangements with the Regional Board to provide primary medical or dental services.