TEACH allows:

Who:	Nonprofit educational institutions or governmental bodies to
What:	Perform:	-- nondramatic literary works -- nondramatic musical works	OR
	Display:	works in an amount comparable to that displayed in a live classroom setting
But Not:	Works produced or marketed primarily for performance/display as part of mediated instructional activities transmitted via digital networks, i.e., digital works produced for the educational market OR
	Copies that were not lawfully made
When:	Transmission must be under the direction or supervision of the instructor as an integral part of class session and as part of systematic mediated instructional activities if directly related and of material assistance to the teaching content
How:	Transmission must be solely for reception limited to students enrolled in the course There must be technological measures that reasonably prevent retention and unauthorized further dissemination.
Further institutional obligations addressing policies, education and providing copyright resources are included.
For a more in-depth treatment of TEACH, see NC State's TEACH Toolkit.