Single-window system Single-window system The single-window system is a trade facilitation idea. As such, the implementation of a single window system enables international (cross-border) traders to submit regulatory documents at a single location and/or single entity. Such documents are typically customs declarations, applications for import/export permits, and other supporting documents such as certificates of origin and trading invoices. The main value proposition for having a single window for a country or economy is to increase the efficiency through time and cost savings for traders in their dealings with government authorities for obtaining the relevant clearance and permit(s) for moving cargoes across national
History and use of the single transferable vote percentage of the vote. In the Australian Senate elections, nearly 95% of voters use the group voting tickets instead of ranking their own preferences. As a result, the informal rate reduced from around 10 percent, to around three percent. STV-PR was used in the Calgary and Edmonton electoral districts (and Medicine Hat for the 1926 election only) for electing Members of the Alberta Legislative Assembly from 1926 to 1955, with five, six or seven MLAs being elected at-large in each city. All other electoral districts used instant-runoff voting Alternative Voting/preferential voting. In 1958 the cities were divided into many single-member