Telephone numbers in Australia plan (including the "Trunk Access Code"), presented in domestic format. (Geographical region boundaries do not exactly follow State borders.) The current numbering plan would appear to be sufficient to cope with potential increase in demand for services for quite some time to come. The 06 and 09 area codes are completely unused. In addition, each current area code has large number "ranges" unallocated. When dialling from outside Australia, after dialling the appropriate International Access Code it is necessary to dial the Country Code for Australia (61) followed by the nine digit "National 'Significant' Number". (The + symbol is used to
International Building Code by the American Institute of Steel Construction (ANSI/AISC 360). Changes in parts of the reference standard can result in disconnection between the corresponding editions of the reference standards. Many states or municipalities in the United States of America adopt the ICC family of codes. In the wake of the Federal copyright case "Veeck v. Southern Building Code Congress Int'l, Inc.", the organization Public Resource has published a substantial portion of the enacted building codes on-line, and they are available as PDFs. International Building Code The International Building Code (IBC) is a model building code developed by the International Code Council