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 Sporting Code and what the specifications are. Currently Appendix J features three categories and fifteen groups: For each group specific rules are further defined in the regulations. Group D, which features Formula 1 and Formula 3, has specific regulations (technical and sporting) for each class. International Sporting Code The International Sporting Code (ISC) is a set of rules which are valid for all auto racing events that are governed by the Fédération Internationale de l'Automobile (FIA). North American domestic racing, such as NASCAR and IndyCar are outside the FIA's jurisdiction and hence not governed by the ISC. Motorcycle sport is also exempt