you requested for the version in force on 23/05/2013
incorporating all amendments published on or before 23/05/2013.
The closest version currently available is that of 01/04/2005.
2. In these Rules, “window” includes a roof skylight, glass panel, glass brick, louvre, glazed sash, glazed door, translucent sheeting and any other building material which transmits natural light directly from outside a building into a room of or interior of the building.