Adjective : chargeable duty. ,He was held chargeable for the theft.    From Dictionary.com. 

Of the more than 700 men held in Gitmo, after 7 years of interrogations, and fact finding some 700 of them appear to be innocent and nonchargeable.    From Wordnik.com.  [Giuliani to reiterate criticism of Obama's terror trial decision] Reference

We spent a lot of nonchargeable time trying to follow the statute and thinking about what the effect might be on our clients.    From Wordnik.com.  [TechWeb] Reference

The Army now entitles married active-duty and Active Guard and Reserve soldiers who father a child to 10 consecutive nonchargeable administrative days of paternity leave.    From Wordnik.com.  [Army Times - News] Reference

Service members deployed for 270 days or more in Iraq or Afghanistan now qualify for 15 days of "administrative absence" on top of their regular annual leave, under a new nonchargeable rest and recuperation policy announced by the Pentagon on Monday.    From Wordnik.com.  [theleafchronicle.com - Local News] Reference