Written Authority : A document which permits entry to or work in a confined space. Note: the written authority is sometimes known by other names, for example as an entry permit, an access authority, or a permit to work
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}