Switzerland is one of the last OECD nations to provide for unbundling, because the Swiss Federal Supreme Court held in 2001 that the 1996 Swiss Telecommunications Act did not require it. The government then enacted an ordinance providing for unbundling in 2003, and Parliament amended the act in 2006. While infrastructure-based access is now generally available, unbundled fast bitstream access is limited to a period of four years after the entry into force of the act.