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
Single-handed sailing sailing under command of a single handed sailor flying the ICS Pennant Numeral 1 from the backstay has been practiced and advocated by some sailors. As the use of Pennant Numeral 1, a white pennant with a big red dot in the middle much resembling the flag of Japan, for this purpose is not (yet) widely spread and even often confined more to certain geographical areas (Baltic...) the use of it has been questioned although the general consensus is that any signage that can increase safety at sea is to be supported. Single-handed sailing The sport and practice of single-handed