(1)

(a) The head of a public body shall, as far as practicable, ensure that the whole or a part of a heritage site in its ownership, management or control to which the public has access is accessible to persons with disabilities and can be visited by them with ease and dignity.

(b) Paragraph (a) shall not apply if its application would -

(i) have a significant adverse effect on the conservation status of a species or habitat or the integrity of a heritage site, or

(ii) compromise the characteristics of the site.

(2) Nothing in this section shall be construed as authorising or requiring the adaptation or modification of any heritage site contrary to law.

(3) In this section "heritage site" includes -

(a) a monument within the meaning of the National Monuments Acts 1930 to 2004,

(b) a heritage building or a heritage garden or park within the meaning of the Heritage Act 1995,

(c) a protected structure or a proposed protected structure, with any attendant grounds, or an architectural conservation area, within the meaning in each case of the Planning and Development Act 2000,