im·po·si·tion 
(ĭm′pə-zĭshən)
(ĭm′pə-zĭshən)n.
1. The act of imposing or the condition of being imposed.
2. Something imposed, such as a tax, an undue burden, or a fraud.
3. A burdensome or unfair demand, as upon someone's time: listened to the telemarketer but resented the imposition.
4. The arrangement of printed matter to form a sequence of pages.