ISA Service Abbreviation

Independent Safety Assessment

Information Security Assessment

Information Sharing Agreements

Information Sharing Agreement

Integrated Services Agency

International Student Advisor

International Society of Arborculture

International Services Agreement

A proposed plurilateral agreement to be negotiated by a group of willing countries outside the framework of the Doha Round, liberalizing trade in services. The idea seems to have begun in 2011 or 2012, as of which time it is unclear whether it will ever happen.

Internet Sales Application