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What does AO stand for?

AO stands for Authorizing Official (for IMPAC Purchases)

This definition appears frequently and is found in the following Acronym Finder categories:

  • Military and Government

See other definitions of AO

Other Resources:
We have 60 other meanings of AO in our Acronym Attic

Samples in periodicals archive:

Travelers should check with their authorizing official (AO) when adjusting or claiming expenses.
This form must be submitted to the service member's chain of command or, for former members, to an authorizing official designated by their former service at an address on the form.
DTS will provide electronic connectivity among the following entities in the travel process -- the traveler, the traveler's authorizing official, the service and agency accounting and disbursing systems, the local comptroller's budget, the commercial travel services provider, the certifying official, the commercial bank card service, and the electronic archive.