328 12 情報通信not in principle include the purchase of goods for business use by sole proprietors, even if those goods are consumer goods. Communication Usage Trend Survey The survey has been conducted by the Ministry of Internal Affairs and Communications every year, with the aim to provide basic information needed for the formulation and evaluation of policies and measures on telecommunication through investigating actual utilisation of ICT from the users' point of view and the status of communication networks in enterprises and their use of ICT. It is composed of the household survey and the enterprise survey. The household survey is conducted by mailing method at households randomly chosen by the two-stage stratified sampling method taking prefecture and city size into account from those in which the head is 20 years old or over as of 1 April of the survey year. The enterprise survey is conducted at enterprises randomly chosen by the systematic sampling by industry, stratified according to the size of regular employees from those with 100 or more employees. Radio stations Radio stations refer to the wireless telegraphs, wireless telephones and other electric facilities for transmitting and receiving radio waves together with the persons who operate these facilities. Business to Business Electronic Commerce (BtoB-EC) The transaction value of goods and services for which orders are placed and received using electronic commerce between enterprises or between enterprises and governments (central and local governments). The price is paid by the enterprise or government and received by the enterprise. Enterprises also include sole proprietors. Cable television Cable television refers to general television service provided through cable broadcasting facility. As the former Cable Television Broadcast Act and the Act on Broadcast on Telecommunications Services were abolished and integrated into the Broadcast Act on 30 June 2011.
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