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
A (Big Bang single) was not announced in the same day, the results came the next day, the winner was Big Bang. Big Bang stop promoting the single afterwards and also didn't promote the next single album "D". A (Big Bang single) "A" is the fifth single album by South Korean band Big Bang, and the second from their "MADE Series". The single could be pre-ordered from May 27 to June 1, consisting of 4 tracks (two new songs and two previous ones) and two instrumental tracks. It was released worldwide through iTunes, and other online music portals on June 1. There are two